WO2014061296A1 - Stroller - Google Patents

Stroller Download PDF

Info

Publication number
WO2014061296A1
WO2014061296A1 PCT/JP2013/060356 JP2013060356W WO2014061296A1 WO 2014061296 A1 WO2014061296 A1 WO 2014061296A1 JP 2013060356 W JP2013060356 W JP 2013060356W WO 2014061296 A1 WO2014061296 A1 WO 2014061296A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel support
support element
front wheel
baby carriage
seat
Prior art date
Application number
PCT/JP2013/060356
Other languages
French (fr)
Japanese (ja)
Inventor
雅志 谷崎
健 寺内
Original Assignee
コンビ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by コンビ株式会社 filed Critical コンビ株式会社
Priority to JP2014541961A priority Critical patent/JP6144270B2/en
Priority to KR1020157007958A priority patent/KR102069105B1/en
Priority to CN201380053963.1A priority patent/CN104718122B/en
Priority to TW103112526A priority patent/TWI642578B/en
Publication of WO2014061296A1 publication Critical patent/WO2014061296A1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/004—Carriages supporting a hammock-style seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/20—Catches; Locking or releasing an articulation
    • B62B2205/24—Catches; Locking or releasing an articulation to hold in the folded position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
    • B62B9/104—Perambulator bodies; Equipment therefor characterized by details of the seat with adjustable or reclining backrests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
    • B62B9/106—Perambulator bodies; Equipment therefor characterized by details of the seat with head guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/14—Equipment protecting from environmental influences, e.g. Hoods; Weather screens; Cat nets

Definitions

  • the present invention relates to a baby carriage that can be deformed between a use state and a folded state, and in particular, has a simple configuration and can effectively prevent a sheet from being soiled when folded and stored. Regarding baby carriages.
  • EP1972522A2 discloses a baby carriage that can be deformed between a use state and a folded state.
  • the baby carriage disclosed in Patent Document 1 includes a rear leg (6), a handlebar (4) rotatably attached to an upper end of the rear leg, and a front leg (2) rotatably attached to the handlebar. And cross members (8, 9) connecting the front legs (2) and the rear legs (6).
  • the stroller rotates with respect to the rear leg so that the handlebar falls down to the rear side.
  • a seat on which an infant is seated is normally supported by a handlebar or a support portion that performs the same operation as the handlebar during folding operation. Therefore, in the baby carriage disclosed in Patent Document 2, in a folded state in which the handle bar is tilted rearward, the surface of the seat that comes into contact with the infant is exposed outward. For this reason, when the baby carriage is folded and stored, the sheet is likely to become dirty due to foreign matters or the like adhering to the sheet.
  • the present invention has been made in consideration of the above points, and provides a baby carriage that has a simple configuration and can effectively suppress the contamination of the seat when folded and stored. For the purpose.
  • the stroller disclosed in EP1972522 (CN10129667) is arranged at a position where the front wheel and the rear wheel are separated in the folded state.
  • Such a baby carriage cannot be made to stand stably in a folded state.
  • the handleability of the folded baby carriage was poor, and the storage space required for the folded baby carriage was widened. It is more convenient if such a problem is solved by the baby carriage according to the present invention.
  • the first baby carriage is: A stroller that is deformable between a use state and a folded state, A front wheel support element that supports the front wheel; A rear wheel support element connected to the front wheel support element so as to be relatively rotatable and supporting a rear wheel; A main link element connected to the front wheel support element in a relatively rotatable manner; A connecting link element extending between the main link element and the rear wheel support element and rotatable relative to each of the main link element and the rear wheel support element.
  • the connecting link element is Of the main link element, it is pivotally attached to a portion that is lower in the use state than the center of relative rotation with the front wheel support element, and Of the rear wheel support elements, the extension may be rotatably attached to an extension portion that is on the side farther from the rear wheel than the center of relative rotation with the front wheel support element.
  • the first baby carriage according to the present invention may further include a handle connected to the main link element so as to be relatively rotatable.
  • the main link element may constitute a handle.
  • a portion of the main link element extending from the center of relative rotation with the front wheel support element in the use state is a front side.
  • the main link element is rotated with respect to the front wheel support element so as to fall down, and a portion of the main link element that has been extended from the center of relative rotation with the front wheel support element in the use state is You may make it approach a front-wheel support element.
  • the front wheel support element and the rear wheel support element rotate relative to each other so that the front wheel and the rear wheel approach each other when deformed from the use state to the folded state. Also good.
  • the main link element is a portion of the front wheel support element that is positioned between a position of the front wheel support element that supports the front wheel and a center of relative rotation of the front wheel support element and the main link element. Can be engaged, Relative rotation between the main link element and the front wheel support element may be restricted by engaging the main link element and the portion of the front wheel support element.
  • the front wheel support element has a front leg member extending at least between a center of relative rotation with the main link element and a position for supporting the front wheel, and a connection member provided on the front leg member,
  • the rear wheel support element is rotatably attached to the connection member,
  • the main link element can be engaged with the connection member, and the relative rotation between the main link element and the front wheel support element is restricted by the engagement of the main link element and the front wheel support element. You may be made to do.
  • a seat support plate that faces the buttocks of an infant who rides on the baby carriage may be provided, and the connecting link element may be formed by a seat support plate.
  • a pair of main link elements are provided on both sides of the seat support plate
  • a pair of the rear wheel support elements are provided on both sides of the seat support plate
  • a pair of front wheel support elements are provided on both sides of the seat support plate
  • Both side portions of the seat support plate constitute the coupling link element, and are connected to the corresponding main link element and rear wheel support element in a relatively rotatable manner
  • Each front wheel support element may be connected to the corresponding main link element and rear wheel support element so as to be relatively rotatable.
  • a holding body is disposed to face a surface opposite to the side facing the flange of the seat support plate, and between the holding body and the seat support plate, An accommodation space opened at least rearward in the deployed state of the baby carriage may be formed.
  • a handle may be provided at a rear portion of the seat support plate.
  • the handle may protrude upward from the seat support plate in a folded state of the baby carriage.
  • a luggage hook may be provided on the seat support plate.
  • the first baby carriage according to the present invention further comprises a seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back,
  • the rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel
  • the side wall portion of the seat may be attached to the extension portion and a portion of the main link element that extends in the use state from a center of relative rotation with the front wheel support element.
  • the second baby carriage is: A baby carriage that can be deformed between a use state and a folded state, A front wheel support element that supports the front wheel; A rear wheel support element that supports a rear wheel and is rotatable relative to the front wheel support element; A handle rotatable relative to the front wheel support element and the rear wheel support element, When deforming from the use state to the folded state, the handle rotates with respect to the front wheel support element so that the handle is tilted forward, the handle and the front wheel support element approach each other, and the front wheel and the The front wheel support element and the rear wheel support element relatively rotate so that the rear wheels approach each other.
  • the second baby carriage according to the present invention further comprises a seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back,
  • the rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel
  • the side wall portion of the seat may be attached to the extending portion and a portion of the handle that extends in a state of use from a center of relative rotation with the front wheel support element.
  • the first or second baby carriage according to the present invention further includes a seat having a seat portion and a back portion connected to the seat portion,
  • the rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
  • the sheet may be supported by the extending portion.
  • an angle formed by a portion supporting the seat of the extension portion with respect to the front-rear direction is the rear of the rear wheel support elements.
  • the portion located between the position for supporting the wheel and the relative rotation center of the front wheel support element may be smaller than the angle formed with respect to the front-rear direction.
  • the extending portion may be bent so that an angle formed with respect to the front-rear direction becomes smaller on the front side when viewed from the side.
  • the front wheel support element and the rear wheel support element in the side view of the folded state, can be rotated relative to each other with the front wheel and the rear wheel in contact with the grounding surface. May be located between the ground contact position of the front wheel and the ground contact position of the rear wheel in a direction along the ground contact surface.
  • the baby carriage may be independent in the folded state.
  • the baby carriage has a simple configuration, and when the baby carriage is folded and stored, it is possible to effectively prevent the seat from becoming dirty.
  • FIG. 1 is a perspective view for explaining an embodiment of the present invention and showing a baby carriage in use.
  • FIG. 2 is a perspective view showing the baby carriage body of the baby carriage of FIG. 1 in use.
  • FIG. 3 is a side view showing the baby carriage main body of FIG. 2 in use from the side.
  • FIG. 4 is a partial perspective view showing the baby carriage body in use.
  • FIG. 5 is a side view showing the baby carriage body in a folded state.
  • FIG. 6 is a perspective view showing the baby carriage body in a folded state.
  • FIG. 7 is a partial perspective view showing the baby carriage main body being deformed from the use state to the folded state.
  • FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. FIG.
  • FIG. 9 is a diagram schematically showing the components of the baby carriage body in use from the side.
  • FIG. 10 is a diagram schematically showing components of the baby carriage body in the folded state from the side.
  • FIG. 11 is a perspective view corresponding to FIG. 2, and is a view showing a modified example of the baby carriage main body.
  • FIG. 12 is a perspective view corresponding to FIG. 2 and showing another modified example of the baby carriage main body.
  • FIG. 13 is a diagram corresponding to FIG. 9 and schematically showing the components of the baby carriage main body of FIG. 12 from the side.
  • FIG. 14 is a perspective view corresponding to FIG. 1 and showing still another modification of the baby carriage body.
  • 15 is a perspective view corresponding to FIG. 2 and showing the baby carriage body of FIG. 16 is a diagram corresponding to FIG.
  • FIG. 17 is a side view corresponding to FIG. 5 and showing the baby carriage body of FIG. 15 in a folded state.
  • 18 is a perspective view corresponding to FIG. 6 and showing the baby carriage body of FIG. 15 in a folded state.
  • FIG. 1 shows an overall configuration of a baby carriage 10 according to an embodiment.
  • the illustrated baby carriage 10 includes a baby carriage body 15 having a front wheel 21 and a rear wheel 31, a seat (seat unit) 70 attached to the baby carriage body 15, and a hood 75 to which the baby carriage body 15 is attached. ing.
  • a seat (seat unit) 70 attached to the baby carriage body 15, and a hood 75 to which the baby carriage body 15 is attached. ing.
  • an infant sits or sleeps on the seat 70.
  • the seat 70 includes a seat portion 71, a back portion 72 that is connected to the seat portion 71 and is located behind the seat portion 71, and left and right side wall portions 73 that extend from the back portion 72 to both sides. is doing.
  • the baby carriage 10 is generally symmetric with respect to a center plane in the width direction extending along the front-rear direction.
  • the baby carriage 10 described here can be deformed between a use state (deployed state) and a folded state.
  • the folded baby carriage 10 is reduced in size in the front-rear direction and the width direction as compared with the baby carriage 10 in use so as to have dimensions suitable for storage and the like.
  • Many components of the baby carriage main body 15 are directly or indirectly connected so as to be rotatable relative to each other to enable folding.
  • the seat 70 is formed using a flexible cloth material, a mesh material, or the like, and deforms between the use state and the folded state in accordance with the operation of the baby carriage body 15.
  • the terms “front”, “rear”, “upper”, and “lower” for the baby carriage 10 and the baby carriage main body 15 are in a use state (deployed state) unless otherwise specified. It means “front”, “rear”, “upper” and “lower” with reference to infants riding in the car. Therefore, the “front-rear direction” corresponds to a direction connecting the lower left and the upper right of the page in FIG. Unless otherwise specified, “front” refers to the side on which the infant who rides faces, and the lower left side of the page in FIG. 1 is “front side”.
  • the “vertical direction” is a direction orthogonal to the front-rear direction and orthogonal to the ground contact surface of the baby carriage 10.
  • the “vertical direction” refers to the vertical direction.
  • the “lateral direction” and the “width direction” are directions orthogonal to both the “front-rear direction” and the “up-down direction”.
  • “right” and “left” also mean “right” and “left” in the lateral direction or width direction with respect to the infant riding in the baby carriage 10, respectively.
  • the baby carriage main body 15 will be described in detail, and then the components attached to the baby carriage main body 15 will be described.
  • the baby carriage main body 15 supports a front wheel support element 20 that rotatably supports a front wheel 21, a front wheel support element 20, and a rear wheel 31 that can rotate relative to the front wheel support element 20.
  • the rear wheel support element 30 and the handle 50 that can rotate relative to the front wheel support element 20 and the rear wheel support element 30 are provided.
  • the handle 50 includes a pair of main portions 51 arranged on the left and right sides and a connecting portion 52 that connects the pair of main portions 51.
  • Each main portion 51 constitutes a main link element 40 that functions as a link material when the baby carriage body 15 is deformed between the use state and the folded state. That is, in the illustrated embodiment, the main link element 40 forms part of the handle 50.
  • the baby carriage body 15 has a pair of front wheel support elements 20 connected to the corresponding main link element 40 so as to be relatively rotatable, and a corresponding front wheel support.
  • a pair of rear wheel support elements 30 connected to the element 20 so as to be relatively rotatable are provided.
  • the baby carriage 10 is a connecting link that extends between the corresponding main link element 40 and the rear wheel support element 30 and is rotatable relative to each of the corresponding main link element 40 and the rear wheel support element 30.
  • An element 60 is further included.
  • each front wheel support element 20 rotatably holds the front wheel 21 at the lower portion, particularly at the lower end in the illustrated example.
  • Each front wheel support element 20 includes a front leg member 23 that functions as a front leg that rotatably supports the front wheel 21, and a first connection member 25 that is attached to an intermediate portion of the front leg member 23.
  • the front leg member 23 extends at least from the position where the front wheel 21 is supported to the relative rotation center RC2 between the front wheel support element 20 and the main link element 40.
  • the front leg member 23 supports the front wheel 21 at the lower end and is rotatably connected to the main link element 40 at the upper end.
  • the front leg member 23 can be composed of, for example, a metal pipe such as an aluminum alloy, and a caster mechanism that is fixed to one end of the pipe and supports the wheel rotatably and pivotably.
  • the first connecting member 25 is fixed to the front leg member 23.
  • each front wheel support element 20 is pivotally connected to the rear wheel support element 30 located on the same side by a first connecting member 25.
  • the first connection member 25 extends from the front leg member 23 along a plane extending in the front-rear direction.
  • the rear wheel support element 30 is disposed on the inner side in the width direction with respect to the front wheel support element 20.
  • the first connecting member 25 and the rear wheel support element 30 are pivoted by being penetrated by the shaft member 28. That is, in the illustrated example, the front wheel support element 20 and the rear wheel support element 30 are directly connected.
  • the present invention is not limited to this example, and the front wheel support element 20 and the rear wheel support element 30 may be indirectly connected via other members.
  • each rear wheel support element 30 rotatably holds the rear wheel 31 at the lower portion, particularly at the lower end in the illustrated example.
  • Each rear wheel support element 30 has a rear leg member 33 that functions as a rear leg that rotatably supports the rear wheel 31.
  • the rear leg member 33 extends at least from the position where the rear wheel 31 is supported to the relative rotation center RC1 between the front wheel support element 20 and the rear wheel support element 30.
  • the rear leg member 33 can be composed of, for example, a metal pipe such as an aluminum alloy, and a holding mechanism that is fixed to one end of the pipe and holds the wheel rotatably.
  • the rear leg member 33 supports the rear wheel 31 at the lower end and supports the rear wheel 31 beyond the relative rotation center RC1 between the wheel support element 20 and the rear wheel support element 30. It extends to the opposite side of the side. That is, the rear leg member 33 includes a rear leg portion 34 including a holding mechanism that rotatably supports the rear wheel 31, and a rear leg portion sandwiching a relative rotation center RC1 between the front wheel support element 20 and the rear wheel support element 30. And an extending portion 35 located on the opposite side to 34. As understood from FIGS. 1 and 9, a seat portion 71 of a seat 70 is attached to the extending portion 35. That is, in the illustrated form, the seat portion 71 of the seat 70 can be supported by the rear wheel support element 30. Therefore, a dedicated member for supporting the seat portion 71 of the seat 70 can be omitted. Thereby, the number of parts constituting the baby carriage 10 can be reduced, and the structure of the baby carriage 10 can be simplified and reduced in weight.
  • the angle ⁇ a formed by the portion of the extension portion 35 that supports the seat with respect to the front-rear direction is the rear leg portion of the rear wheel support element 30. 34 is smaller than an angle ⁇ b formed with respect to the front-rear direction. According to such a configuration, the extending portion 35 effectively functions as a frame for supporting the seat portion 71, and the seat portion 71 can be supported in an appropriate direction.
  • the extension portion 35 is bent so that the angle formed with respect to the front-rear direction becomes smaller on the front side in a side view of the baby carriage in use.
  • the extending portion 35 is bent in a side view of the baby carriage in the use state, and has an extending end portion 36 and an extending base portion 37 across the bent portion.
  • the extending base portion 37 is connected to the rear leg portion 34.
  • the extension end portion 36 is connected to the extension base portion 37 from the front.
  • the seat portion 71 of the seat 70 is attached to the extended end portion 36 having a small angle ⁇ a with respect to the front-rear direction.
  • the main link element 40 constituting the main part 51 of the handle 50 will be described.
  • the main link element 40 includes a main link portion 41 that constitutes a lower portion of the main portion 51 of the handle 50, and a second connection member 43 that is attached to the main link portion 41.
  • the main link portion 41 may be formed of a substantially U-shaped material that forms the main portion 51 and the connecting portion 52 of the handle 50, for example, an aluminum alloy pipe.
  • the second connection member 43 is fixed to the main link portion 41 of the main link element 40. As shown in FIG. 4, each main link element 40 is pivotally attached to the front wheel support element 20 located on the same side by a second connection member 43. In the illustrated example, the second connection member 43 extends from the main link portion 41 along a plane extending in the front-rear direction. The main link portion 41 and the front leg member 23 of the front wheel support element 20 connected via the second connection member 43 have the same arrangement position in the width direction.
  • the second connection member 43 includes a main body portion 44 fixed to the main link portion 41 and a pair of support wall portions 45 extending from the main body portion 44 in the front-rear direction. .
  • the front leg member 23 of the front wheel support element 20 is disposed between the pair of support wall portions 45.
  • the front wheel support element 20 and the main link element 40 are pivoted by the shaft member 46 passing through the support wall portion 45 of the second connection member 43 and the front leg member 23 of the front wheel support element 20. That is, in the illustrated example, the front wheel support element 20 and the main link element 40 are directly connected.
  • the present invention is not limited to this example, and the front wheel support element 20 and the main link element 40 may be indirectly connected via other members.
  • the upper end portion of the front leg member 23 is disposed between the pair of support wall portions 45 and penetrated by the shaft member 46.
  • an end member 24 is fitted into the upper end portion of the front leg member 23, and the end member 24 is held by a shaft member 46 together with the front leg member 23.
  • the end member 24 has an arcuate outline in a side view. More specifically, the end member 24 is an arc centered at a position penetrated by the shaft member 46 of the front leg member 23 in a side view, in other words, the center of relative rotation between the front wheel support element 20 and the main link element 40. It has a contour extending along an arc centered on RC2.
  • Such an end member 24 fills a gap between the upper end of the front leg member 23 and the main body 44 of the second connection member 43, and the front leg member 23 is at the time of relative rotation between the front wheel support element 20 and the main link element 40. It is possible to effectively prevent clothing or the like from being sandwiched between the upper end of the second connecting member 43 and the main body 44 of the second connecting member 43.
  • the main link element 40 when the baby carriage 10 is in use, the main link element 40 is located at the position of the front wheel support element 20 that supports the front wheel 21 of the front wheel support element 20, the front wheel support element 20, and the main link element. It is possible to engage with a portion between 40 relative rotation centers RC2. Then, when the main link element 40 and the front wheel support element 20 are engaged, the relative rotation between the main link element 40 and the front wheel support element 20 is restricted. More specifically, when the baby carriage 10 is in use, the upper portion of the front wheel support element 20 and the lower portion of the main link element 40 extend substantially parallel to each other at both ends of a region extending parallel to each other. Thus, the front wheel support element 20 and the main link element 40 can be connected to each other. The front wheel support element 20 and the main link element 40 are connected to each other so that relative rotation between the main link element 40 and the front wheel support element 20 is restricted.
  • the baby carriage main body 15 can be deformed between a use state and a folded state by relatively rotating each component.
  • the main link element 40 and the front wheel support element 20 that extend along each other can be connected to each other at two locations spaced along the longitudinal direction thereof.
  • the relative rotation of the element 40 and the front wheel support element 20 can be stably regulated, and the baby carriage 10 can be stably maintained in the use state.
  • the lower part of the main link element 40 in particular the lower end part of 40, can be engaged with the first connecting member 25 of the front wheel support element 20.
  • the front wheel support element 20 and the main link element 40 are connected by the second connection member 43 of the main link element 40 and the first connection member 25 of the front wheel support element 20.
  • the first connection member 25 of the front wheel support element 20 is responsible for both the connection with the rear wheel support element 20 and the engagement with the main link element 40. For this reason, the number of parts which comprise the baby carriage 10 can be reduced, and the structure of the baby carriage can be simplified and reduced in weight.
  • a protruding portion 42 is provided at the lower end of the main link portion 41 of the main link element 40.
  • the protruding portion 42 is urged so as to protrude from the lower end of the main link portion 41.
  • the projecting portion 42 is connected to an operation piece 41a provided at the lower end portion of the main link portion 41. By sliding the operation piece 41a with respect to the main link portion 41, the projecting portion 42 is connected to the main link portion 41. 41 can be immersed.
  • a cylindrical portion 26 is formed in the first connection member 25 of the front wheel support element 20. As shown in FIG.
  • the cylindrical portion 26 has a distal end opened to define a receiving hole 27 that receives the protruding portion 42.
  • the protrusion 42 of the main link element 40 is fitted into the receiving hole 27 of the first connection member 25, thereby restricting relative rotation between the front wheel support element 20 and the main link element 40.
  • the configuration for engaging the front wheel support element 20 and the main link element 40 is not limited to the example described here, and may be configured in various forms.
  • the operation piece 41a is only an example as a means for operating the protrusion part 42, and can be changed suitably.
  • a remote control means for operating the protruding portion 42 is provided in the connecting portion 52 of the handle 50, and the operation of the remote operating means is transmitted to the protruding portion 42 in the connecting portion 52 and the main portion 51 of the handle 50.
  • a transmission means (for example, a wire) may be provided.
  • the connecting link element 60 will be described. 4 and 7, the right connecting link element 60 extends between the main link element 40 and the rear wheel support element 30 arranged on the right side, and the main link element 40 and the rear Relative rotation with respect to each of the wheel support elements 30 is possible.
  • the connecting link element 60 on the left side extends between the main link element 40 and the rear wheel support element 30 arranged on the left side, and is relative to each of the main link element 40 and the rear wheel support element 30. It can be turned. Therefore, in the present embodiment, the main link element 40 is indirectly connected to the rear wheel support element 30 via the connecting link element 60 so as to be rotatable.
  • the connecting link element 60 may be composed of a metal plate, for example.
  • each connecting link element 60 is firstly connected between the rear wheel support element 30 and the front wheel support element 20 of the rear wheel support element 30.
  • the relative rotation center RC1 is rotatably attached to an extending portion 35 that is on the side farther from the rear wheel 31. More specifically, the connecting link element 60 is pivotally attached to the rear portion of the extending end portion 36 of the extending portion 35 via the shaft member 61. Therefore, in the side view of the baby carriage 10 in use, the relative rotation center RC3 between the rear wheel support element 30 and the connecting link element 60 is greater than the relative rotation center RC1 between the rear wheel support element 30 and the front wheel support element 20. Is also located forward and upward.
  • each connecting link element 60 is provided in the main link portion 41 of the main link element 40 in the side view of the baby carriage 10 in use.
  • the front wheel support element 20 and the main link element 40 are rotatably attached to a portion below the relative rotation center RC2. More specifically, the connecting link element 60 is pivotally attached to the portion below the position where the second connecting member 43 of the main link portion 41 is attached, via a shaft member 62.
  • the relative rotation center RC4 between the main link element 40 and the connection link element 60 is behind the relative rotation center RC3 between the rear wheel support element 30 and the connection link element 60. positioned.
  • the baby carriage body 15 includes, as members extending in the lateral direction (width direction), a first front connection member 65 and a second front connection member 66 that connect the front leg members 23 of the pair of front wheel support elements 20, and a pair of rear wheels. And a rear connecting member 67 that connects the rear legs 34 of the support element 30.
  • the 2nd front side connection member 66 functions as a footrest.
  • the pair of front wheel support elements 20, the pair of rear wheel support elements 30, the pair of main link elements 40, and the pair of connection link elements 60 are used and folded by these members, respectively. When deforming between the two, they are kept in a state of being spaced apart at a constant interval.
  • the baby carriage main body 15 having the overall configuration as described above can be folded from the use state to the folded state by relatively rotating each component. Specifically, first, by operating the operation piece 41a, the engagement between the protruding portion 42 of the main link element 40 and the receiving hole 27 of the front wheel support element 20 is released. By this operation, the front wheel support element 20 and the main link element 40 can be rotated relative to each other.
  • a portion of the main link element 40 extending from the relative rotation center RC ⁇ b> 2 with the front wheel support element 20 in the use state that is, positioned above the relative rotation center RC ⁇ b> 2.
  • the main link element 40 is rotated with respect to the front wheel support element 20 in such a direction that the portion that is being tilted forward.
  • a portion of the main link element 40 that has been extended from the relative turning center RC ⁇ b> 2 with the front wheel support element 20 in the use state approaches the rear wheel support element 20.
  • the end portion (upper end portion) of the main link element 40 on the side away from the front wheel 21 in the usage state approaches the front wheel 21.
  • the connecting portion 52 of the handle 50 approaches the front wheel 21 of the front wheel support element 20 from the front side.
  • the rear wheel support element 30 connected to the main link element 40 via the connecting link element 60 also operates with respect to other components.
  • the connecting link element 60 rotates in a portion of the main link element 40 that is lower than the relative rotation center RC2 between the front wheel support element 20 and the main link element 40 in the usage state of the baby carriage 10.
  • the rear wheel support element 30 which is movably attached to the extension portion 35 on the side farther from the rear wheel 31 than the relative rotation center RC 1 between the rear wheel support element 30 and the front wheel support element 20. It is attached so that it can rotate.
  • the baby carriage main body 15 can be folded so that the main link element 60, the front wheel support element 20 and the rear wheel support element 40 approach each other.
  • the size of the baby carriage main body 15 can be reduced in both the front-rear direction and the vertical direction.
  • the front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other along the front-rear direction.
  • the baby carriage body 15 (the baby carriage 10) in a folded state can be made independent by grounding the front wheel 21 and the rear wheel 22.
  • the front wheel support element 20 and the rear wheel support element 30 are relative to each other in a state in which the front wheel 21 and the rear wheel 31 are in contact with the ground contact surface in a side view of the baby carriage main body 15 in the folded state.
  • the rotation center RC1 is in the direction along the contact surface (that is, the front-rear direction), the contact position of the front wheel 21 (that is, the rotation center of the front wheel 21) and the contact position of the rear wheel 31 (that is, the rotation center of the rear wheel 31). It can be located between. According to such a form, the baby carriage main body 15 (the baby carriage 10) in the folded state can be made more stable and independent.
  • an engaging claw (engaging piece) 47 that can be elastically deformed is formed by a part of the second connecting member 43 on the left side. As shown in FIGS. 1 to 3, the engaging claw 47 is located above the main body portion 44 of the second connecting member 43 and is separated from the front wheel support element 20 when the baby carriage 10 is in use.
  • the engagement claw 47 is positioned below the main body 44 of the second connection member 43 as shown in FIG. 5. Then, as shown in FIG. 8, it engages with the upper part of the front leg member 23 of the front wheel support element 20.
  • the engagement between the engagement pawl 47 and the front leg member 23 shown in FIG. 8 restricts the rotation of the front wheel support element 20 and the main link element 40, so that the baby carriage 10 is maintained in the folded state.
  • the baby carriage main body 15 having the above-described configuration is provided with a hood 75 and a seat 70.
  • the hood 75 has one or more hood bones 76 attached to the baby carriage main body 15 and a hood cloth 77 attached to the hood bone 76, and functions as an awning.
  • the hood bone 76 is formed in a substantially U shape, and both ends of the substantially U shape are pivotally attached to the handle 50. As the hood bone 76 swings with respect to the handle 50, the hood 75 is opened and closed.
  • the seat 70 includes a seat 71 supported by the extension 35 of the rear wheel support element 30, a back 72 extending rearward from the seat 71, and the seat 71 and the back 72. And a pair of side wall portions 73 provided on the side.
  • the seat portion 71 mainly supports the buttocks of the infant riding on the baby carriage 10.
  • the back part 72 comes to be disposed at a position facing the back of the infant.
  • the side wall portions 73 are located on both sides of the baby who rides on the baby carriage 10.
  • the front end portion of the seat portion 71 of the seat 70 is attached to the extension portion 35 of the rear wheel support element 30, and the upper end portion of the back portion 72 of the seat 70 is constituted by the main link element 40.
  • a main part 51 of the handle 50 is attached.
  • the surface of the seat back portion 72 facing the infant is It moves toward the surface of the seat seat 71 that faces the infant.
  • the back surface of the seat 70 that does not face the infant is more exposed than the front surface of the seat 70 that faces the infant.
  • the surface of the seat seat 71 can be faced close to the surface of the seat back 72, and the other surface of the seat back 72 is folded in the front-rear direction. 10 inclines so as to incline so as to face downward in the vertical direction.
  • the side wall portion 73 of the seat 70 extends from the relative rotation center RC2 between the extension portion 35 and the front wheel support element 20 of the main link element 40 in a use state, That is, it is attached to the main portion 51 of the handle 50.
  • a force is applied to the baby carriage 10 to relatively rotate the rear wheel support element 30 in a direction in which the rear wheel 31 is separated from the front wheel 21 in the front-rear direction.
  • such an external force can be received not only by the connecting link element 60 but also by the side wall portion 73 of the seat 70.
  • the side wall portion 73 of the seat 70 functions as a member for maintaining the relative position of the rear wheel support element 30 with respect to the main link element 40 and the front wheel support element 20 in the usage state of the baby carriage 10, thereby improving the rigidity of the baby carriage 10. Can be made. Therefore, according to such a side wall portion 73 of the seat 70, it is possible to suppress the occurrence of bending or the like while the baby carriage 10 is traveling.
  • the side wall portion 73 has a belt-like member 73 a that forms an edge portion on the side separated from the seat portion 71 and the back portion 72.
  • the belt-like member 73 a is configured to have a higher tensile strength than the other portions of the side wall portion 73.
  • this belt-like member 73a is attached to the main part 51 of the handle 50 formed by the extension part 35 of the rear-wheel support element 30 and the main link element 40 as well shown in FIG.
  • the rigidity of 10 can be effectively improved.
  • the handle 50 and the front wheel support element 20 when the handle 50 and the front wheel support element 20 are deformed from the use state to the folded state, the handle 50 and the front wheel support element 20 are rotated with respect to the front wheel support element 20 so as to fall forward.
  • the front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other. Therefore, the baby carriage 10 can be folded such that the main link element 40, the front wheel support element 20 functioning as a front leg, and the rear wheel support element 30 functioning as a rear leg approach each other.
  • the folding size of the baby carriage 10 can be reduced in both the front-rear direction and the vertical direction.
  • the back portion 72 of the seat 70 on which the infant is seated or supine is supported directly or indirectly by the main link element 40 and operates together with the main link element 40, whereby the surface of the seat back portion 72 that faces the infant.
  • the back surface of the seat 70 that does not face the infant is more exposed than the front surface of the seat 70 that faces the infant.
  • the surface of the seat seat portion 71 comes close to the surface of the seat back portion 72 and the other surface of the seat back portion 72 faces the inside of the stroller 10 in the folded state in the front-rear direction.
  • front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other, the front wheel 21 and the rear wheel 31 are brought into contact with the ground and the stroller 10 in the folded state can be stabilized. It becomes possible to be independent. Therefore, the storage space of the baby carriage 10 can be saved.
  • the handle 50 has a pair of main portions 51 and a connecting portion 52 that connects the pair of main portions 51, and an example in which the handle 50 is formed in a substantially U shape has been shown. Not limited to.
  • the handle 50 may be composed of a pair of main portions 51 and a grip portion attached to an end portion of each main portion 51.
  • a pair of rear wheel support elements 30 may be connected to each other via a connecting portion 39 at an upper portion thereof, in other words, at a front portion thereof.
  • a connecting portion 39 can improve the rigidity of the baby carriage main body 15 and also functions as a portion that supports the seat portion 71 of the seat 70. Thereby, driving
  • the connecting portion 39 extends between the upper ends (front ends) of the pair of rear wheel support elements 30.
  • the connection part 39 is integrally formed with the rear leg member 33 of the rear-wheel support element 30 from metal pipes, such as an aluminum alloy bent in the U-shape, for example.
  • remote operation means 54 for releasing the engagement between the front wheel support element 20 and the main link element 40 is provided in the connecting portion 52 of the handle 50.
  • Transmitting means for example, a wire
  • the projecting portion 42 can be operated by the remote control means 54.
  • the front wheel support element 20 and the main link element 40 are disposed on the outermost side in the width direction, and the rear wheel support element 30 is disposed on the innermost side in the width direction.
  • the connecting link element 60 is provided at a position between the rear wheel support element 30 and the main link element 40
  • the present invention is not limited to this.
  • the front wheel support element 20 and the main link element 40 are arranged at the outermost side in the width direction, and the connecting link element 60 is arranged at the innermost side in the width direction.
  • the rear wheel support element 30 may be provided at a position between the link element 40 and the connecting link element 60.
  • the connecting link element 60 includes a connection extension part 60 b extending from the lower part of the main link element 40 along the width direction, and a connection extension part 60 b. And a main body portion 60a connected to the extending portion 35 of the rear wheel support element 30.
  • the main body portion 60a extends in the front-rear direction, and the extended portion 35 of the rear wheel support element 30 connected to the main body portion 60a is between the main body portion 60a of the connecting link element 60, the front wheel support element 20 and the main link element 40. Is located. Therefore, the connection extension part 60b extends in the width direction from the main link element 40 by at least the length corresponding to the thickness of the extension part 35 of the rear wheel support element 30.
  • the rear leg member 33 of the rear wheel support element 30 is curved or bent at the intermediate part of the rear leg part 34.
  • a portion of the rear leg portion 34 that holds the rear wheel 31 is positioned outward in the width direction with respect to the extending portion 35. According to this example, traveling of the baby carriage 10 can be further stabilized.
  • a handle 55 may be provided as a separate component from the main link element 40.
  • the baby carriage body 15 of the baby carriage 10 shown in FIGS. 12 and 13 includes a front wheel support element 20, a rear wheel support element 30, a connection link element 60, a first front connection member 65, a second front connection member 66, and a rear connection.
  • a main body frame 16 having a member 67 and a handle 55 rotatably connected to the main body frame 16 are provided.
  • the handle 55 is formed in a substantially U shape.
  • the handle 55 is pivotally connected to the main body frame 16 at both ends of the substantially U-shape.
  • the handle 55 swings with respect to the main body frame 16 to face-to-face pressing position (front position) indicated by a solid line in FIGS. 12 and 13 and back pressing position (rear position) indicated by a two-dot chain line in FIGS. ) And move between.
  • the main body frame 16 is provided with means (not shown) for engaging with the handle 55 to lock the handle 55 in the facing pressing position.
  • the main link element 40 of the main body frame 16 is provided with means (not shown) for engaging with the handle 55 and locking the handle 55 in the back pushing position.
  • the handle 55 By fixing the handle 55 to the main link element 40 in the back pushing position, the handle 55 is rotated with respect to the front wheel support element 20 and the rear wheel support element 30 together with the main link element 40 as in the above-described embodiment. By doing so, the baby carriage 10 can be deformed between the use state and the deployed state.
  • the seat 70 can be effectively prevented from being stained.
  • the folding size of the baby carriage 10 can be reduced.
  • the handle 55 has a lower portion, particularly a lower end portion, of the front wheel support element 20 of the main link element 40 in the side view of the baby carriage 10 in use. Is pivotally attached to a portion below the relative rotation center RC2. More specifically, the rotation center between the handle 55 and the main link element 40 coincides with the relative rotation center RC4 between the main link element 40 and the connection link element 60. Accordingly, the shaft member 62 that pivotally attaches the rear wheel support element 30 and the connecting link element 60 described above further penetrates the handle 55, thereby pivotally attaching the handle 55 to the main link element 40 and the connecting link element 60. Can do.
  • the baby carriage main body 15 may be provided with a seat holding mechanism 80, and the seat holding mechanism 80 may support the back portion 72 of the seat 70.
  • the seat holding mechanism 80 includes a main support frame 81 connected to the baby carriage body 15, an upper support frame 82 connected to the main support frame 81 so as to be swingable, and a main support frame 81.
  • a pair of side support frames 83 disposed on both sides of the support frame 81.
  • the upper support frame 82 is swingably connected to the upper side of the main support frame 81, which is opposite to the connection portion to the baby carriage body 15.
  • the main support frame 81 has a substantially U-shape with both ends connected to the baby carriage body 15.
  • the rotation center of the main support frame 81 with respect to the baby carriage body 15 coincides with the relative rotation center RC ⁇ b> 4 between the main link element 40 and the connecting link element 60.
  • the side support frame 83 functions as a link member, and raises the upper support frame 82 from the main support frame 81 when the main support frame 81 is tilted with respect to the extending portion 35 of the rear wheel support element 30.
  • the upper support frame 82 extends substantially along the surface defined by the main support frame 81.
  • the upper support frame 82 is tilted.
  • Each side support frame 83 is connected to each of the baby carriage body 15 and the upper support frame 82 so as to be relatively rotatable. In the example shown in FIGS. 12 and 13, the rotation center of the side support frame 83 with respect to the baby carriage body 15 coincides with the relative rotation center RC ⁇ b> 2 between the main link element 40 and the front wheel support element 20.
  • a reclining adjustment belt 84 fixed to the left and right main link elements 40 is disposed on the back side of the main support frame 81 (the reclining adjustment belt 84 is omitted in FIG. 12). is doing). Then, by adjusting the length of the reclining adjustment belt 84, the angle of the main support frame 81 that supports the back portion 72 of the seat 70 with respect to the extension portion 35 of the rear wheel support element 30 that supports the seat surface portion 55 of the seat 50, That is, the reclining angle can be adjusted.
  • the back portion 72 of the seat 70 supported by the seat holding mechanism 80 has the reclining tension belt 84 and the like.
  • the main link element 40 that supports the sheet holding mechanism 80 can be operated. Therefore, it is possible to obtain the same operational effects as those of the above-described embodiment. For example, when the stroller 10 in the folded state is stored, the dirt of the seat 70 can be effectively prevented.
  • the main support frame 81 and the reclining adjustment belt 84 shown in FIGS. Only the baby carriage main body 15 may be provided.
  • Such a stroller 10 can provide the same effects as those of the above-described embodiment.
  • the seat 70 when the folded stroller 10 is stored, the seat 70 can be effectively prevented from being soiled. it can. 14 to 18 show the same baby carriage main body 15, the main support frame 81 is omitted in FIGS. 17 and 18, and the reclining adjustment belt 84 is shown only in FIG. Has been.
  • a seat support plate 63 is provided at a position facing the buttocks of the baby who rides on the baby carriage 10, and the seat support plate 63 forms the connecting link element 60.
  • the seat support plate 63 is formed in a plate shape and supports the buttocks of the infant with a surface from below.
  • through holes may be formed in the seat support plate 63 from the viewpoint of weight reduction and air permeability.
  • the seat support plate 63 extends in the width direction between the pair of main link elements 40, the pair of front wheel support elements 20, and the pair of rear wheel support elements 30. As can be understood from FIGS. 15 and 16, both side portions of the seat support plate 63 constitute the connecting link element 60, and the shaft member 62 is attached to the main link portion 41 of the main link element 40 on the corresponding side. And is pivotally attached to the rear leg member 33 of the corresponding rear wheel support element 30 using a shaft member 61.
  • the seat support plate 63 is connected to the main link element 40 at the rear portion thereof.
  • the seat support plate 63 includes a plate-like main body 63a and a protruding support 63b that protrudes downward from the main body 63a when the baby carriage main body 15 is deployed.
  • the seat support plate 63 is connected to the rear wheel support element 30 at the protruding support 63b.
  • the rotation center RC4 is disposed at the same position as in the above-described embodiment. Therefore, the stroller 10 shown in FIGS. 14 to 18 can be folded in the same manner as the stroller in the above-described embodiment, and the same operational effects as the stroller in the above-described embodiment can be achieved. .
  • the rear leg member 33 that forms the rear wheel support element 30 does not extend forward from the pivot point with the seat support plate 63. That is, unlike the embodiment described above, the stroller 10 shown in FIGS. 14 to 18 is not provided with the extending portion 35 that supports the seat portion 71 of the seat 70. Therefore, in the baby carriage 10 shown in FIGS. 14 to 18, the seat portion 71 of the seat 70 is supported by the front portion of the main body portion 63a of the seat portion support plate 63, and as described above, the back portion 72 of the seat 70. Is supported by the main support frame 81.
  • the rigidity of the baby carriage body 15 can be greatly improved. Moreover, since the structure of the baby carriage main body 15 is simplified, the folding operation of the baby carriage main body 15 and the operation of unfolding the baby carriage main body 15 can be performed smoothly. Furthermore, since the structure for supporting the infant from below is stable, the infant can be stably placed in the baby carriage 10 in an appropriate posture. Furthermore, since the seat 71 of the seat 70 can be supported in the region extending in the width direction, the amount of deformation of the seat 70 between the expanded state and the folded state can be reduced.
  • a holding body 86 is provided so as to face the surface of the seat support plate 63 opposite to the side facing the infant.
  • the holding body 86 is formed using a flexible cloth material, mesh material, or the like.
  • a housing space 87 is formed between the holding body 86 and the seat support plate 63 so as to open at least rearward in the deployed state of the baby carriage 10.
  • the storage space 87 can be used as a space for storing small items such as blankets and towels. From this point of view, the holding body 86 may be formed of a stretchable material.
  • the holding body 86 is connected to the seat support plate 63 or the seat 70 attached to the seat support plate 63 at both side edges and the front edge of the baby carriage 10 in the unfolded state. In this case, it can suppress that the thing accommodated in the accommodation space 87 falls from the accommodation space 87 unintentionally. As shown in FIGS. 17 and 18, the opening 87 a of the accommodation space 87 formed between the holding body 86 and the seat support plate 63 is opened upward in the folded state of the baby carriage 10. Therefore, the baby carriage 10 may be able to stand in a folded state, and the accommodation space 87 can be utilized even when the baby carriage 10 is folded.
  • a handle 88 is provided at the rear portion of the seat support plate 63.
  • the handle 88 becomes a handle of the baby carriage 10 when carrying the folded baby carriage 10.
  • the handle 88 protrudes upward from the seat support plate 63 in a folded state of the baby carriage 10. Therefore, the handleability of the baby carriage 10 that can stand in a folded state can be further improved using the handle 88.
  • the baggage is placed on the surface of the seat support plate 63 opposite to the side facing the infant.
  • a hanging hook 89 may be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Handcart (AREA)

Abstract

This stroller can be switched between a usage arrangement and a folded arrangement. The stroller has: front wheel support components that support front wheels; rear wheel support components that are relatively rotatably connected to the front wheel support components and support rear wheels; main link components that are relatively rotatably connected to the front wheel support components; and connecting link components that extend between the main link components and the rear wheel support components and can rotate relative to the main link components and the rear wheel support components.

Description

乳母車baby carriage
　本発明は、使用状態と折り畳み状態との間で変形可能な乳母車に係り、とりわけ、簡易な構成を有するとともに、折り畳んで保管する際にシートが汚れてしまうことを効果的に防止することができる乳母車に関する。 The present invention relates to a baby carriage that can be deformed between a use state and a folded state, and in particular, has a simple configuration and can effectively prevent a sheet from being soiled when folded and stored. Regarding baby carriages.
　ＥＰ１９７２５２２Ａ２（ＣＮ１０１２６９６６７Ａ）には、使用状態と折り畳み状態との間で変形可能な乳母車が開示されている。特許文献１に開示された乳母車は、後脚（６）と、後脚の上端に回動可能に取り付けられたハンドルバー（４）と、ハンドルバーに回動可能に取り付けられた前脚（２）と、前脚（２）と後脚（６）との間を連結する横材（８，９）と、を有している。特許文献１に開示された乳母車は、使用状態から折り畳み状態に変形する際、ハンドルバーが後側に倒れるように後脚に対して回動する。 EP1972522A2 (CN101269667A) discloses a baby carriage that can be deformed between a use state and a folded state. The baby carriage disclosed in Patent Document 1 includes a rear leg (6), a handlebar (4) rotatably attached to an upper end of the rear leg, and a front leg (2) rotatably attached to the handlebar. And cross members (8, 9) connecting the front legs (2) and the rear legs (6). When the baby carriage disclosed in Patent Document 1 is deformed from a use state to a folded state, the stroller rotates with respect to the rear leg so that the handlebar falls down to the rear side.
　ところで、通常、乳幼児が着座するシートは、ハンドルバーや、折り畳み動作時にハンドルバーと同様の動作を行う支持部によって支持される。したがって、特許文献２に開示された乳母車では、ハンドルバーが後側に倒れる折り畳み状態において、シートの乳幼児に接触するようになる面が外方に露出する。このため、乳母車を折り畳んで保管する際に、異物等がシートに付着する等してシートが汚れやすくなっている。 Incidentally, a seat on which an infant is seated is normally supported by a handlebar or a support portion that performs the same operation as the handlebar during folding operation. Therefore, in the baby carriage disclosed in Patent Document 2, in a folded state in which the handle bar is tilted rearward, the surface of the seat that comes into contact with the infant is exposed outward. For this reason, when the baby carriage is folded and stored, the sheet is likely to become dirty due to foreign matters or the like adhering to the sheet.
　本発明は、このような点を考慮してなされたものであり、簡易な構成を有するとともに、折り畳んで保管する際にシートが汚れてしまうことを効果的に抑制することができる乳母車を提供することを目的とする。 The present invention has been made in consideration of the above points, and provides a baby carriage that has a simple configuration and can effectively suppress the contamination of the seat when folded and stored. For the purpose.
　なお、ＥＰ１９７２５２２（ＣＮ１０１２６９６６７）に開示された乳母車は、折り畳み状態において、前輪および後輪が離間した位置に配置される。このような乳母車は、折り畳み状態において、安定して自立させることが不可能である。結果として、折り畳んだ乳母車の取り扱い性が悪く、且つ、折り畳んだ乳母車に必要となる保管スペースが広くなってしまっていた。本発明による乳母車によって、このような問題が解消されるとさらに都合が良い。 In addition, the stroller disclosed in EP1972522 (CN10129667) is arranged at a position where the front wheel and the rear wheel are separated in the folded state. Such a baby carriage cannot be made to stand stably in a folded state. As a result, the handleability of the folded baby carriage was poor, and the storage space required for the folded baby carriage was widened. It is more convenient if such a problem is solved by the baby carriage according to the present invention.
　本発明による第１の乳母車は、
　使用状態と折り畳み状態との間で変形可能とした乳母車であって、
　前輪を支持した前輪支持要素と、
　前記前輪支持要素と相対回動可能に接続され且つ後輪を支持する後輪支持要素と、
　前記前輪支持要素と相対回動可能に接続された主リンク要素と、
　前記主リンク要素と前記後輪支持要素との間を延び、且つ、前記主リンク要素と前記後輪支持要素とのそれぞれに対して相対回動可能な連結リンク要素と、を備える。 The first baby carriage according to the present invention is:
A stroller that is deformable between a use state and a folded state,
A front wheel support element that supports the front wheel;
A rear wheel support element connected to the front wheel support element so as to be relatively rotatable and supporting a rear wheel;
A main link element connected to the front wheel support element in a relatively rotatable manner;
A connecting link element extending between the main link element and the rear wheel support element and rotatable relative to each of the main link element and the rear wheel support element.
　本発明による第１の乳母車において、
　前記連結リンク要素は、
　前記主リンク要素のうちの、前記前輪支持要素との相対回動中心よりも前記使用状態において下方となる部分に、回動可能に取り付けられ、且つ、
　前記後輪支持要素のうちの、前記前輪支持要素との相対回動中心よりも前記後輪から離間する側となる延出部に、回動可能に取り付けられていてもよい。 In the first baby carriage according to the invention,
The connecting link element is
Of the main link element, it is pivotally attached to a portion that is lower in the use state than the center of relative rotation with the front wheel support element, and
Of the rear wheel support elements, the extension may be rotatably attached to an extension portion that is on the side farther from the rear wheel than the center of relative rotation with the front wheel support element.
　本発明による第１の乳母車が、前記主リンク要素と相対回動可能に接続されたハンドルを、さらに備えてもよい。あるいは、本発明による第１の乳母車において、前記主リンク要素がハンドルを構成してもよい。 The first baby carriage according to the present invention may further include a handle connected to the main link element so as to be relatively rotatable. Alternatively, in the first baby carriage according to the present invention, the main link element may constitute a handle.
　本発明による第１の乳母車において、前記使用状態から前記折り畳み状態へ変形する際、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分が前側に倒れるように前記主リンク要素が前記前輪支持要素に対して回動して、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっていた部分が前記前輪支持要素に接近するようにしてもよい。 When the first baby carriage according to the present invention is deformed from the use state to the folded state, a portion of the main link element extending from the center of relative rotation with the front wheel support element in the use state is a front side. The main link element is rotated with respect to the front wheel support element so as to fall down, and a portion of the main link element that has been extended from the center of relative rotation with the front wheel support element in the use state is You may make it approach a front-wheel support element.
　本発明による第１の乳母車において、前記使用状態から前記折り畳み状態へ変形する際、前記前輪および前記後輪が互いに接近するように、前記前輪支持要素および前記後輪支持要素が相対回動してもよい。 In the first baby carriage according to the present invention, the front wheel support element and the rear wheel support element rotate relative to each other so that the front wheel and the rear wheel approach each other when deformed from the use state to the folded state. Also good.
　本発明による第１の乳母車において、
　前記主リンク要素は、前記前輪支持要素のうちの、前記前輪支持要素の前記前輪を支持する位置と、前記前輪支持要素および前記主リンク要素の相対回動中心と、の間に位置する部分と係合可能あり、
　前記主リンク要素と前記前輪支持要素の前記部分とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制されるようにしてもよい。 In the first baby carriage according to the invention,
The main link element is a portion of the front wheel support element that is positioned between a position of the front wheel support element that supports the front wheel and a center of relative rotation of the front wheel support element and the main link element. Can be engaged,
Relative rotation between the main link element and the front wheel support element may be restricted by engaging the main link element and the portion of the front wheel support element.
　本発明による第１の乳母車において、
　前記前輪支持要素は、前記主リンク要素との相対回動中心と前記前輪を支持する位置との間を少なくとも延びる前脚部材と、前記前脚部材に設けられた接続部材と、を有し、
　前記後輪支持要素は、前記接続部材に回動可能に取り付けられ、
　前記主リンク要素は、前記接続部材に係合可能で可能あり、前記主リンク要素と前記前輪支持要素とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制されるようにしてもよい。 In the first baby carriage according to the invention,
The front wheel support element has a front leg member extending at least between a center of relative rotation with the main link element and a position for supporting the front wheel, and a connection member provided on the front leg member,
The rear wheel support element is rotatably attached to the connection member,
The main link element can be engaged with the connection member, and the relative rotation between the main link element and the front wheel support element is restricted by the engagement of the main link element and the front wheel support element. You may be made to do.
　本発明による第１の乳母車において、乳母車に乗車する乳幼児の臀部に対面するようになる座部支持プレートが設けられ、前記連結リンク要素は、座部支持プレートによって形成されていてもよい。 In the first baby carriage according to the present invention, a seat support plate that faces the buttocks of an infant who rides on the baby carriage may be provided, and the connecting link element may be formed by a seat support plate.
　本発明による第１の乳母車において、
　前記座部支持プレートの両側方に一対の前記主リンク要素が設けられ、
　前記座部支持プレートの両側方に一対の前記後輪支持要素が設けられ、
　前記座部支持プレートの両側方に一対の前記前輪支持要素が設けられ、
　前記座部支持プレートの両側部が、それぞれ、前記連結リンク要素を構成し、対応する側の主リンク要素および後輪支持要素と相対回動可能に接続され、
　各前輪支持要素が、対応する側の主リンク要素および後輪支持要素と相対回動可能に接続されていてもよい。 In the first baby carriage according to the invention,
A pair of main link elements are provided on both sides of the seat support plate,
A pair of the rear wheel support elements are provided on both sides of the seat support plate,
A pair of front wheel support elements are provided on both sides of the seat support plate,
Both side portions of the seat support plate constitute the coupling link element, and are connected to the corresponding main link element and rear wheel support element in a relatively rotatable manner,
Each front wheel support element may be connected to the corresponding main link element and rear wheel support element so as to be relatively rotatable.
　本発明による第１の乳母車において、前記座部支持プレートの前記臀部に対面する側とは反対側の面に対面して保持体が配置され、前記保持体と前記座部支持プレートの間に、前記乳母車の展開状態において少なくとも後方に開口した、収容スペースが形成されていてもよい。 In the first baby carriage according to the present invention, a holding body is disposed to face a surface opposite to the side facing the flange of the seat support plate, and between the holding body and the seat support plate, An accommodation space opened at least rearward in the deployed state of the baby carriage may be formed.
　本発明による第１の乳母車において、前記座部支持プレートの後方部分に取っ手が設けられていてもよい。 In the first baby carriage according to the present invention, a handle may be provided at a rear portion of the seat support plate.
　本発明による第１の乳母車において、前記取っ手は、前記乳母車の折り畳み状態において前記座部支持プレートから上方に突出するようにしてもよい。 In the first baby carriage according to the present invention, the handle may protrude upward from the seat support plate in a folded state of the baby carriage.
　本発明による第１の乳母車において、前記座部支持プレートに荷物掛けフックが設けられていてもよい。 In the first baby carriage according to the present invention, a luggage hook may be provided on the seat support plate.
　本発明による第１の乳母車が、座部と、前記座部と接続された背部と、前記座部および前記背部の側方に設けられた側壁部と、を有したシートを、さらに備え、
　前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
　前記シートの前記側壁部は、前記延出部と、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられていてもよい。 The first baby carriage according to the present invention further comprises a seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back,
The rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
The side wall portion of the seat may be attached to the extension portion and a portion of the main link element that extends in the use state from a center of relative rotation with the front wheel support element. .
　本発明による第２の乳母車は、
　使用状態と折り畳み状態との間を変形可能な乳母車であって、
　前輪を支持した前輪支持要素と、
　後輪を支持し、前記前輪支持要素と相対回動可能な後輪支持要素と、
　前記前輪支持要素および前記後輪支持要素に対して相対回動可能なハンドルと、を備え、
　前記使用状態から前記折り畳み状態へ変形する際、前記ハンドルが前側に倒れるように前記前輪支持要素に対して回動して、前記ハンドルおよび前記前輪支持要素が互いに接近し、且つ、前記前輪および前記後輪が互いに接近するように前記前輪支持要素および前記後輪支持要素が相対回動する。 The second baby carriage according to the present invention is:
A baby carriage that can be deformed between a use state and a folded state,
A front wheel support element that supports the front wheel;
A rear wheel support element that supports a rear wheel and is rotatable relative to the front wheel support element;
A handle rotatable relative to the front wheel support element and the rear wheel support element,
When deforming from the use state to the folded state, the handle rotates with respect to the front wheel support element so that the handle is tilted forward, the handle and the front wheel support element approach each other, and the front wheel and the The front wheel support element and the rear wheel support element relatively rotate so that the rear wheels approach each other.
　本発明による第２の乳母車が、座部と、前記座部と接続された背部と、前記座部および前記背部の側方に設けられた側壁部と、を有したシートを、さらに備え、
　前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
　前記シートの前記側壁部は、前記延出部と、前記ハンドルのうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられていてもよい。 The second baby carriage according to the present invention further comprises a seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back,
The rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
The side wall portion of the seat may be attached to the extending portion and a portion of the handle that extends in a state of use from a center of relative rotation with the front wheel support element.
　本発明による第１または第２の乳母車が、座部と、前記座部と接続された背部と、を有したシートを、さらに備え、
　前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
　前記延出部に前記シートが支持されていてもよい。 The first or second baby carriage according to the present invention further includes a seat having a seat portion and a back portion connected to the seat portion,
The rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
The sheet may be supported by the extending portion.
　本発明による第１または第２の乳母車において、使用状態における側面視において、前記延出部の前記シートを支持する部分が前後方向に対してなす角度は、前記後輪支持要素のうちの前記後輪を支持する位置と前記前輪支持要素との相対回動中心との間に位置する部分が前後方向に対してなす角度よりも小さくなっていてもよい。 In the first or second baby carriage according to the present invention, in a side view in a use state, an angle formed by a portion supporting the seat of the extension portion with respect to the front-rear direction is the rear of the rear wheel support elements. The portion located between the position for supporting the wheel and the relative rotation center of the front wheel support element may be smaller than the angle formed with respect to the front-rear direction.
　本発明による第１または第２の乳母車において、前記延出部は、使用状態における側面視において、前後方向に対してなす角度が前側で小さくなるように曲がっていてもよい。 In the first or second baby carriage according to the present invention, the extending portion may be bent so that an angle formed with respect to the front-rear direction becomes smaller on the front side when viewed from the side.
　本発明による第１または第２の乳母車において、前記折り畳み状態の側面視において、前記前輪および前記後輪が接地面に接地した状態で、前記前輪支持要素および前記後輪支持要素の相対回動中心は、前記接地面に沿った方向において前記前輪の接地位置と前記後輪の接地位置との間に位置するようにしてもよい。 In the first or second baby carriage according to the present invention, in the side view of the folded state, the front wheel support element and the rear wheel support element can be rotated relative to each other with the front wheel and the rear wheel in contact with the grounding surface. May be located between the ground contact position of the front wheel and the ground contact position of the rear wheel in a direction along the ground contact surface.
　本発明による第１または第２の乳母車において、前記折り畳み状態において、前記乳母車が自立可能であってもよい。 In the first or second baby carriage according to the present invention, the baby carriage may be independent in the folded state.
　本発明によれば、乳母車が簡易な構成を有し、且つ、乳母車を折り畳んで保管する際に、シートが汚れてしまうことを効果的に防止することができる。 According to the present invention, the baby carriage has a simple configuration, and when the baby carriage is folded and stored, it is possible to effectively prevent the seat from becoming dirty.
図１は、本発明の一実施の形態を説明するための図であって、使用状態にある乳母車を示す斜視図である。FIG. 1 is a perspective view for explaining an embodiment of the present invention and showing a baby carriage in use. 図２は、使用状態にある図１の乳母車の乳母車本体を示す斜視図である。FIG. 2 is a perspective view showing the baby carriage body of the baby carriage of FIG. 1 in use. 図３は、使用状態にある図２の乳母車本体を側方から示す側面図である。FIG. 3 is a side view showing the baby carriage main body of FIG. 2 in use from the side. 図４は、使用状態にある乳母車本体を示す部分斜視図である。FIG. 4 is a partial perspective view showing the baby carriage body in use. 図５は、折り畳み状態にある乳母車本体を示す側面図である。FIG. 5 is a side view showing the baby carriage body in a folded state. 図６は、折り畳み状態にある乳母車本体を示す斜視図である。FIG. 6 is a perspective view showing the baby carriage body in a folded state. 図７は、使用状態から折り畳み状態へ変形中の乳母車本体を示す部分斜視図である。FIG. 7 is a partial perspective view showing the baby carriage main body being deformed from the use state to the folded state. 図８は、図５のＶＩＩＩ－ＶＩＩＩ線に沿った断面図である。FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 図９は、使用状態にある乳母車本体の構成要素を側方から模式的に示す線図である。FIG. 9 is a diagram schematically showing the components of the baby carriage body in use from the side. 図１０は、折り畳み状態にある乳母車本体の構成要素を側方から模式的に示す線図である。FIG. 10 is a diagram schematically showing components of the baby carriage body in the folded state from the side. 図１１は、図２に対応する斜視図であって、乳母車本体の一変形例を示す図である。FIG. 11 is a perspective view corresponding to FIG. 2, and is a view showing a modified example of the baby carriage main body. 図１２は、図２に対応する斜視図であって、乳母車本体の他の変形例を示す図である。FIG. 12 is a perspective view corresponding to FIG. 2 and showing another modified example of the baby carriage main body. 図１３は、図９に対応する線図であって、図１２の乳母車本体の構成要素を側方から模式的に示す図である。FIG. 13 is a diagram corresponding to FIG. 9 and schematically showing the components of the baby carriage main body of FIG. 12 from the side. 図１４は、図１に対応する斜視図であって、乳母車本体のさらに他の変形例を示す図である。FIG. 14 is a perspective view corresponding to FIG. 1 and showing still another modification of the baby carriage body. 図１５は、図２に対応する斜視図であって、図１４の乳母車本体を示す図である。15 is a perspective view corresponding to FIG. 2 and showing the baby carriage body of FIG. 図１６は、図９に対応する線図であって、図１５の乳母車本体を示す図である。16 is a diagram corresponding to FIG. 9 and showing the baby carriage body of FIG. 図１７は、図５に対応する側面図であって、折り畳み状態にある図１５の乳母車本体を示す図である。FIG. 17 is a side view corresponding to FIG. 5 and showing the baby carriage body of FIG. 15 in a folded state. 図１８は、図６に対応する斜視図であって、折り畳み状態にある図１５の乳母車本体を示す図である。18 is a perspective view corresponding to FIG. 6 and showing the baby carriage body of FIG. 15 in a folded state.
　以下、図１～図１０を参照して本発明の一実施の形態について説明する。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
　図１には、一実施の形態における乳母車１０の全体構成が示されている。図示された乳母車１０は、前輪２１及び後輪３１を有した乳母車本体１５と、乳母車本体１５に装着されたシート（シートユニット）７０と、乳母車本体１５の取り付けられた幌７５と、を有している。この乳母車１０では、シート７０上に乳幼児が座る又は寝ることになる。図１、図９、図１０、図１４及び図１６以外の図では、理解の便宜上、シート７０を取り外した状態で乳母車１０を示している。シート７０は、座部７１と、座部７１と接続されて座部７１の後方に位置する背部７２と、座部７１および背部７２から両側方に延び出た左右の側壁部７３と、を有している。乳母車１０は、全体的に、前後方向に沿って延びる幅方向中心面を中心として概ね対称な構成となっている。 FIG. 1 shows an overall configuration of a baby carriage 10 according to an embodiment. The illustrated baby carriage 10 includes a baby carriage body 15 having a front wheel 21 and a rear wheel 31, a seat (seat unit) 70 attached to the baby carriage body 15, and a hood 75 to which the baby carriage body 15 is attached. ing. In this baby carriage 10, an infant sits or sleeps on the seat 70. In the drawings other than FIGS. 1, 9, 10, 14, and 16, for convenience of understanding, the baby carriage 10 is illustrated with the seat 70 removed. The seat 70 includes a seat portion 71, a back portion 72 that is connected to the seat portion 71 and is located behind the seat portion 71, and left and right side wall portions 73 that extend from the back portion 72 to both sides. is doing. The baby carriage 10 is generally symmetric with respect to a center plane in the width direction extending along the front-rear direction.
　ここで説明する乳母車１０は、図１～３，５，６，９，１０に示すように、使用状態（展開状態）と折り畳み状態との間を変形可能となっている。図示されているように、折り畳み状態の乳母車１０は、保管等に適した寸法となるよう、使用状態の乳母車１０と比較して前後方向および幅方向に小型化する。乳母車本体１５の多くの構成要素は、折り畳みを可能とするため相対回動可能に直接または間接的に接続されている。また、シート７０は、柔軟性を有した布材やメッシュ材等を用いて形成されており、乳母車本体１５の動作にともなって使用状態と折り畳み状態との間を変形する。 As shown in FIGS. 1 to 3, 5, 6, 9, and 10, the baby carriage 10 described here can be deformed between a use state (deployed state) and a folded state. As shown in the figure, the folded baby carriage 10 is reduced in size in the front-rear direction and the width direction as compared with the baby carriage 10 in use so as to have dimensions suitable for storage and the like. Many components of the baby carriage main body 15 are directly or indirectly connected so as to be rotatable relative to each other to enable folding. The seat 70 is formed using a flexible cloth material, a mesh material, or the like, and deforms between the use state and the folded state in accordance with the operation of the baby carriage body 15.
　なお、本明細書中において、乳母車１０及び乳母車本体１５に対する「前」、「後」、「上」および「下」の用語は、特に指示がない場合、使用状態（展開状態）にある乳母車１０に乗車する乳幼児を基準とした「前」、「後」、「上」および「下」を意味する。したがって、「前後方向」とは、図１における紙面の左下と右上とを結ぶ方向に相当する。そして、特に指示がない限り、「前」とは、乗車した乳幼児が向く側であり、図１における紙面の左下側が「前側」となる。一方、「上下方向」とは前後方向に直交するとともに乳母車１０の接地面に直交する方向である。したがって、乳母車１０の接地面が水平面である場合、「上下方向」とは垂直方向をさす。また、「横方向」および「幅方向」とは、「前後方向」および「上下方向」のいずれにも直交する方向である。さらに、「右」および「左」についても、それぞれ、乳母車１０に乗車する乳幼児を基準とした横方向または幅方向における「右」および「左」のことを意味する。 In the present specification, the terms “front”, “rear”, “upper”, and “lower” for the baby carriage 10 and the baby carriage main body 15 are in a use state (deployed state) unless otherwise specified. It means “front”, “rear”, “upper” and “lower” with reference to infants riding in the car. Therefore, the “front-rear direction” corresponds to a direction connecting the lower left and the upper right of the page in FIG. Unless otherwise specified, “front” refers to the side on which the infant who rides faces, and the lower left side of the page in FIG. 1 is “front side”. On the other hand, the “vertical direction” is a direction orthogonal to the front-rear direction and orthogonal to the ground contact surface of the baby carriage 10. Therefore, when the ground contact surface of the baby carriage 10 is a horizontal plane, the “vertical direction” refers to the vertical direction. The “lateral direction” and the “width direction” are directions orthogonal to both the “front-rear direction” and the “up-down direction”. Furthermore, “right” and “left” also mean “right” and “left” in the lateral direction or width direction with respect to the infant riding in the baby carriage 10, respectively.
　まず、乳母車本体１５について詳述し、その後に、乳母車本体１５に取り付けられた構成要素について説明する。 First, the baby carriage main body 15 will be described in detail, and then the components attached to the baby carriage main body 15 will be described.
　図１～図１０に示すように、乳母車本体１５は、前輪２１を回転可能に支持した前輪支持要素２０と、前輪支持要素２０と相対回動可能であり且つ後輪３１を回転可能に支持した後輪支持要素３０と、前輪支持要素２０および後輪支持要素３０に対して相対回動可能なハンドル５０と、を有している。 As shown in FIGS. 1 to 10, the baby carriage main body 15 supports a front wheel support element 20 that rotatably supports a front wheel 21, a front wheel support element 20, and a rear wheel 31 that can rotate relative to the front wheel support element 20. The rear wheel support element 30 and the handle 50 that can rotate relative to the front wheel support element 20 and the rear wheel support element 30 are provided.
　図示された例では、例えば図２～図７に示すように、ハンドル５０は、左右に配置された一対の主部５１と、一対の主部５１を連結する連結部５２と、を含んで構成されている。各主部５１は、乳母車本体１５が使用状態と折り畳み状態との間で変形する際にリンク材として機能する主リンク要素４０を構成している。すなわち、図示された実施の形態では、主リンク要素４０がハンドル５０の一部分を構成している。また、例えば図２～図７に示すように、乳母車本体１５には、対応する側の主リンク要素４０と相対回動可能に接続された一対の前輪支持要素２０と、対応する側の前輪支持要素２０と相対回動可能に接続された一対の後輪支持要素３０と、が設けられている。さらに乳母車１０は、対応する側の主リンク要素４０および後輪支持要素３０の間を延び且つ対応する側の主リンク要素４０および後輪支持要素３０のそれぞれに対して相対回動可能な連結リンク要素６０、をさらに有している。 In the illustrated example, as shown in FIGS. 2 to 7, for example, the handle 50 includes a pair of main portions 51 arranged on the left and right sides and a connecting portion 52 that connects the pair of main portions 51. Has been. Each main portion 51 constitutes a main link element 40 that functions as a link material when the baby carriage body 15 is deformed between the use state and the folded state. That is, in the illustrated embodiment, the main link element 40 forms part of the handle 50. For example, as shown in FIGS. 2 to 7, the baby carriage body 15 has a pair of front wheel support elements 20 connected to the corresponding main link element 40 so as to be relatively rotatable, and a corresponding front wheel support. A pair of rear wheel support elements 30 connected to the element 20 so as to be relatively rotatable are provided. Further, the baby carriage 10 is a connecting link that extends between the corresponding main link element 40 and the rear wheel support element 30 and is rotatable relative to each of the corresponding main link element 40 and the rear wheel support element 30. An element 60 is further included.
　図３および図９からよく理解できるように、各前輪支持要素２０は、下方部分にて、とりわけ図示された例では下端にて、前輪２１を回転可能に保持している。各前輪支持要素２０は、前輪２１を回転可能に支持する前脚として機能する前脚部材２３と、前脚部材２３の中間部に取り付けられた第１接続部材２５と、を有している。前脚部材２３は、前輪２１を支持する位置から、前輪支持要素２０と主リンク要素４０との相対回動中心ＲＣ２までの間を少なくとも延びている。図示された例では、前脚部材２３は、下端にて前輪２１を支持するとともに、上端にて主リンク要素４０と回動可能に接続されている。前脚部材２３は、例えば、アルミニウム合金等の金属製パイプと、当該パイプの一端に固定され且つ車輪を回転可能且つ旋回可能に支持するキャスター機構と、から構成され得る。 3 and 9, each front wheel support element 20 rotatably holds the front wheel 21 at the lower portion, particularly at the lower end in the illustrated example. Each front wheel support element 20 includes a front leg member 23 that functions as a front leg that rotatably supports the front wheel 21, and a first connection member 25 that is attached to an intermediate portion of the front leg member 23. The front leg member 23 extends at least from the position where the front wheel 21 is supported to the relative rotation center RC2 between the front wheel support element 20 and the main link element 40. In the illustrated example, the front leg member 23 supports the front wheel 21 at the lower end and is rotatably connected to the main link element 40 at the upper end. The front leg member 23 can be composed of, for example, a metal pipe such as an aluminum alloy, and a caster mechanism that is fixed to one end of the pipe and supports the wheel rotatably and pivotably.
　第１接続部材２５は、前脚部材２３に固着されている。そして、図４に示すように、各前輪支持要素２０は、第１接続部材２５にて、同一の側に位置する後輪支持要素３０と回動可能に枢着されている。図示された例において、第１接続部材２５は、前後方向に延びる面内に沿って前脚部材２３から延び出ている。一方、後輪支持要素３０は、前輪支持要素２０に対して幅方向内側に配置されている。図４に示すように、第１接続部材２５および後輪支持要素３０は、軸部材２８によって貫通されることによって、枢着されている。すなわち、図示された例では、前輪支持要素２０および後輪支持要素３０が直接的に接続されている。ただし、この例に限られず、前輪支持要素２０および後輪支持要素３０が、他の部材を介して間接的に接続されていてもよい。 The first connecting member 25 is fixed to the front leg member 23. As shown in FIG. 4, each front wheel support element 20 is pivotally connected to the rear wheel support element 30 located on the same side by a first connecting member 25. In the illustrated example, the first connection member 25 extends from the front leg member 23 along a plane extending in the front-rear direction. On the other hand, the rear wheel support element 30 is disposed on the inner side in the width direction with respect to the front wheel support element 20. As shown in FIG. 4, the first connecting member 25 and the rear wheel support element 30 are pivoted by being penetrated by the shaft member 28. That is, in the illustrated example, the front wheel support element 20 and the rear wheel support element 30 are directly connected. However, the present invention is not limited to this example, and the front wheel support element 20 and the rear wheel support element 30 may be indirectly connected via other members.
　図３および図９からよく理解できるように、各後輪支持要素３０は、下方部分にて、とりわけ図示された例では下端にて、後輪３１を回転可能に保持している。各後輪支持要素３０は、後輪３１を回転可能に支持する後脚として機能する後脚部材３３を有している。後脚部材３３は、後輪３１を支持する位置から、前輪支持要素２０と後輪支持要素３０との相対回動中心ＲＣ１までの間を少なくとも延びている。後脚部材３３は、例えば、アルミニウム合金等の金属製パイプと、当該パイプの一端に固定され且つ車輪を回転可能に保持する保持機構と、から構成され得る。 3 and 9, each rear wheel support element 30 rotatably holds the rear wheel 31 at the lower portion, particularly at the lower end in the illustrated example. Each rear wheel support element 30 has a rear leg member 33 that functions as a rear leg that rotatably supports the rear wheel 31. The rear leg member 33 extends at least from the position where the rear wheel 31 is supported to the relative rotation center RC1 between the front wheel support element 20 and the rear wheel support element 30. The rear leg member 33 can be composed of, for example, a metal pipe such as an aluminum alloy, and a holding mechanism that is fixed to one end of the pipe and holds the wheel rotatably.
　図示された例では、後脚部材３３は、下端にて後輪３１を支持するとともに、輪支持要素２０と後輪支持要素３０との相対回動中心ＲＣ１を越えて後輪３１を支持している側とは反対側に延び出ている。すなわち、後脚部材３３は、後輪３１を回転可能に支持する保持機構を含む後脚部３４と、前輪支持要素２０と後輪支持要素３０との相対回動中心ＲＣ１を挟んで後脚部３４とは反対側に位置する延出部３５と、を有している。図１及び図９から理解されるように、延出部３５には、シート７０の座部７１が取り付けられている。すなわち、図示された形態では、後輪支持要素３０によって、シート７０の座部７１を支持することができる。したがって、シート７０の座部７１を支持するための専用の部材を省くことができる。これにより、乳母車１０を構成する部品点数を減少させて乳母車１０の構成を簡略化および軽量化することが可能となる。 In the illustrated example, the rear leg member 33 supports the rear wheel 31 at the lower end and supports the rear wheel 31 beyond the relative rotation center RC1 between the wheel support element 20 and the rear wheel support element 30. It extends to the opposite side of the side. That is, the rear leg member 33 includes a rear leg portion 34 including a holding mechanism that rotatably supports the rear wheel 31, and a rear leg portion sandwiching a relative rotation center RC1 between the front wheel support element 20 and the rear wheel support element 30. And an extending portion 35 located on the opposite side to 34. As understood from FIGS. 1 and 9, a seat portion 71 of a seat 70 is attached to the extending portion 35. That is, in the illustrated form, the seat portion 71 of the seat 70 can be supported by the rear wheel support element 30. Therefore, a dedicated member for supporting the seat portion 71 of the seat 70 can be omitted. Thereby, the number of parts constituting the baby carriage 10 can be reduced, and the structure of the baby carriage 10 can be simplified and reduced in weight.
　なお、図９に示すように、使用状態における乳母車の側面視において、延出部３５のシートを支持する部分が前後方向に対してなす角度θａは、後輪支持要素３０のうちの後脚部３４が前後方向に対してなす角度θｂよりも小さくなっている。このような構成によれば、延出部３５が座部７１を支持する枠として有効に機能して、座部７１を適切な向きに支持することができる。 As shown in FIG. 9, in a side view of the baby carriage in the use state, the angle θa formed by the portion of the extension portion 35 that supports the seat with respect to the front-rear direction is the rear leg portion of the rear wheel support element 30. 34 is smaller than an angle θb formed with respect to the front-rear direction. According to such a configuration, the extending portion 35 effectively functions as a frame for supporting the seat portion 71, and the seat portion 71 can be supported in an appropriate direction.
　図示された形態において、図９からよく理解できるように、延出部３５は、使用状態における乳母車の側面視において、前後方向に対してなす角度が前側で小さくなるように曲がっている。とりわけ図示された形態では、延出部３５は、使用状態における乳母車の側面視において屈曲しており、屈曲箇所を挟んで延出端部３６および延出基部３７を有している。延出基部３７は、後脚部３４に繋がっている。延出端部３６は、延出基部３７に前方から繋がっている。シート７０の座部７１は、前後方向に対してなす角度θａが小さい延出端部３６に取り付けられている。 In the illustrated form, as can be understood from FIG. 9, the extension portion 35 is bent so that the angle formed with respect to the front-rear direction becomes smaller on the front side in a side view of the baby carriage in use. In particular, in the illustrated form, the extending portion 35 is bent in a side view of the baby carriage in the use state, and has an extending end portion 36 and an extending base portion 37 across the bent portion. The extending base portion 37 is connected to the rear leg portion 34. The extension end portion 36 is connected to the extension base portion 37 from the front. The seat portion 71 of the seat 70 is attached to the extended end portion 36 having a small angle θa with respect to the front-rear direction.
　次に、ハンドル５０の主部５１を構成する主リンク要素４０について説明する。主リンク要素４０は、ハンドル５０の主部５１の下方部分を構成する主リンク部４１と、主リンク部４１に取り付けられた第２接続部材４３と、を有している。主リンク部４１は、ハンドル５０の主部５１および連結部５２をなす略Ｕ字状の材料、例えばアルミニウム合金製のパイプから構成され得る。 Next, the main link element 40 constituting the main part 51 of the handle 50 will be described. The main link element 40 includes a main link portion 41 that constitutes a lower portion of the main portion 51 of the handle 50, and a second connection member 43 that is attached to the main link portion 41. The main link portion 41 may be formed of a substantially U-shaped material that forms the main portion 51 and the connecting portion 52 of the handle 50, for example, an aluminum alloy pipe.
　第２接続部材４３は、主リンク要素４０の主リンク部４１に固着されている。そして、図４に示すように、各主リンク要素４０は、第２接続部材４３にて、同一の側に位置する前輪支持要素２０と回動可能に枢着されている。図示された例において、第２接続部材４３は、前後方向に延びる面内に沿って主リンク部４１から延び出ている。そして、第２接続部材４３を介して接続された主リンク部４１および前輪支持要素２０の前脚部材２３は、幅方向における配置位置は同一となっている。 The second connection member 43 is fixed to the main link portion 41 of the main link element 40. As shown in FIG. 4, each main link element 40 is pivotally attached to the front wheel support element 20 located on the same side by a second connection member 43. In the illustrated example, the second connection member 43 extends from the main link portion 41 along a plane extending in the front-rear direction. The main link portion 41 and the front leg member 23 of the front wheel support element 20 connected via the second connection member 43 have the same arrangement position in the width direction.
　図４に示すように、第２接続部材４３は、主リンク部４１に固定された本体部４４と、本体部４４から前後方向に延び出た一対の支持壁部４５と、を有している。前輪支持要素２０の前脚部材２３が、一対の支持壁部４５の間に配置されている。軸部材４６が、第２接続部材４３の支持壁部４５および前輪支持要素２０の前脚部材２３を貫通することによって、前輪支持要素２０および主リンク要素４０が枢着されている。すなわち、図示された例では、前輪支持要素２０および主リンク要素４０が直接的に接続されている。ただし、この例に限られず、前輪支持要素２０および主リンク要素４０が、他の部材を介して間接的に接続されていてもよい。 As shown in FIG. 4, the second connection member 43 includes a main body portion 44 fixed to the main link portion 41 and a pair of support wall portions 45 extending from the main body portion 44 in the front-rear direction. . The front leg member 23 of the front wheel support element 20 is disposed between the pair of support wall portions 45. The front wheel support element 20 and the main link element 40 are pivoted by the shaft member 46 passing through the support wall portion 45 of the second connection member 43 and the front leg member 23 of the front wheel support element 20. That is, in the illustrated example, the front wheel support element 20 and the main link element 40 are directly connected. However, the present invention is not limited to this example, and the front wheel support element 20 and the main link element 40 may be indirectly connected via other members.
　図示された形態では、前脚部材２３の上端部分が、一対の支持壁部４５の間に配置されて、軸部材４６によって貫通されている。図４に示すように、前脚部材２３の上端部分には端部材２４が嵌め込まれており、端部材２４は、前脚部材２３とともに、軸部材４６によって貫通保持されている。端部材２４は側面視において弧状の輪郭を有している。より具体的には、端部材２４は、側面視において、前脚部材２３の軸部材４６によって貫通される位置を中心とした円弧、言い換えると前輪支持要素２０と主リンク要素４０との相対回動中心ＲＣ２を中心とした円弧に沿って延びる輪郭を有している。このような端部材２４は、前脚部材２３の上端と第２接続部材４３の本体部４４との間の隙間を埋め、前輪支持要素２０と主リンク要素４０との相対回動時に、前脚部材２３の上端と第２接続部材４３の本体部４４との間に衣類等が挟み込まれてしまうことを効果的に防止することができる。 In the illustrated form, the upper end portion of the front leg member 23 is disposed between the pair of support wall portions 45 and penetrated by the shaft member 46. As shown in FIG. 4, an end member 24 is fitted into the upper end portion of the front leg member 23, and the end member 24 is held by a shaft member 46 together with the front leg member 23. The end member 24 has an arcuate outline in a side view. More specifically, the end member 24 is an arc centered at a position penetrated by the shaft member 46 of the front leg member 23 in a side view, in other words, the center of relative rotation between the front wheel support element 20 and the main link element 40. It has a contour extending along an arc centered on RC2. Such an end member 24 fills a gap between the upper end of the front leg member 23 and the main body 44 of the second connection member 43, and the front leg member 23 is at the time of relative rotation between the front wheel support element 20 and the main link element 40. It is possible to effectively prevent clothing or the like from being sandwiched between the upper end of the second connecting member 43 and the main body 44 of the second connecting member 43.
　また、図示された形態では、乳母車１０の使用状態において、主リンク要素４０は、前輪支持要素２０のうちの、前輪支持要素２０の前輪２１を支持する位置と、前輪支持要素２０および主リンク要素４０の相対回動中心ＲＣ２と、の間となる部分と係合可能となっている。そして、主リンク要素４０と前輪支持要素２０とが係合することによって、主リンク要素４０と前輪支持要素２０との相対回動が規制されるようになっている。より具体的には、乳母車１０の使用状態において、前輪支持要素２０の上方部分と、主リンク要素４０の下方部分とが、概ね互いに平行に延びており、互いに平行に延びている領域の両端にて、前輪支持要素２０と主リンク要素４０とが互いに接続され得るようになっている。そして、前輪支持要素２０と主リンク要素４０とが互いに接続されることによって、主リンク要素４０と前輪支持要素２０との相対回動が規制されるようになっている。 Further, in the illustrated form, when the baby carriage 10 is in use, the main link element 40 is located at the position of the front wheel support element 20 that supports the front wheel 21 of the front wheel support element 20, the front wheel support element 20, and the main link element. It is possible to engage with a portion between 40 relative rotation centers RC2. Then, when the main link element 40 and the front wheel support element 20 are engaged, the relative rotation between the main link element 40 and the front wheel support element 20 is restricted. More specifically, when the baby carriage 10 is in use, the upper portion of the front wheel support element 20 and the lower portion of the main link element 40 extend substantially parallel to each other at both ends of a region extending parallel to each other. Thus, the front wheel support element 20 and the main link element 40 can be connected to each other. The front wheel support element 20 and the main link element 40 are connected to each other so that relative rotation between the main link element 40 and the front wheel support element 20 is restricted.
　後述するように、乳母車本体１５は、各構成要素を相対回動させることにより、使用状態と折り畳み状態との間を変形可能となっている。このため、本実施の形態によれば、主リンク要素４０および前輪支持要素２０のうちの互いに沿って延びる部分をその長手方向に沿って離間した二箇所において接続するができ、これにより、主リンク要素４０および前輪支持要素２０の相対回動を安定して規制し、乳母車１０を使用状態に安定して維持することができる。 As will be described later, the baby carriage main body 15 can be deformed between a use state and a folded state by relatively rotating each component. For this reason, according to the present embodiment, the main link element 40 and the front wheel support element 20 that extend along each other can be connected to each other at two locations spaced along the longitudinal direction thereof. The relative rotation of the element 40 and the front wheel support element 20 can be stably regulated, and the baby carriage 10 can be stably maintained in the use state.
　とりわけ図示された実施の形態では、主リンク要素４０の下方部分、とりわけ４０の下端部分が、前輪支持要素２０の第１接続部材２５に係合可能で可能となっている。主リンク要素４０と前輪支持要素２０とが係合した場合、主リンク要素４０の第２接続部材４３および前輪支持要素２０の第１接続部材２５とにより、前輪支持要素２０と主リンク要素４０とが二箇所で接続され、前輪支持要素２０と主リンク要素４０との相対回動が規制される。このような本実施の形態によれば、前輪支持要素２０の第１接続部材２５が、後輪支持要素２０との接続および主リンク要素４０との係合の両方を担うことになる。このため、乳母車１０を構成する部品点数を減少させて、乳母車の構成を簡略化および軽量化することができる。 Especially in the illustrated embodiment, the lower part of the main link element 40, in particular the lower end part of 40, can be engaged with the first connecting member 25 of the front wheel support element 20. When the main link element 40 and the front wheel support element 20 are engaged, the front wheel support element 20 and the main link element 40 are connected by the second connection member 43 of the main link element 40 and the first connection member 25 of the front wheel support element 20. Are connected at two places, and relative rotation between the front wheel support element 20 and the main link element 40 is restricted. According to this embodiment, the first connection member 25 of the front wheel support element 20 is responsible for both the connection with the rear wheel support element 20 and the engagement with the main link element 40. For this reason, the number of parts which comprise the baby carriage 10 can be reduced, and the structure of the baby carriage can be simplified and reduced in weight.
　具体的な構成として、図５および図６に示すように、主リンク要素４０の主リンク部４１の下端には、突出部４２が設けられている。突出部４２は、主リンク部４１の下端から突出するように付勢されている。この突出部４２は、主リンク部４１の下端部分に設けられた操作片４１ａと連結されており、操作片４１ａを主リンク部４１に対して摺動させることにより、突出部４２を主リンク部４１内に没入させることができる。一方、図３や図４に示すように、前輪支持要素２０の第１接続部材２５には、筒状部２６が形成されている。図７に示すように、筒状部２６は、先端を開放されて、突出部４２を受ける受け穴２７を画成している。このような構成では、主リンク要素４０の突出部４２が、第１接続部材２５の受け穴２７に嵌り込むことにより、前輪支持要素２０と主リンク要素４０との相対回動が規制される。 As a specific configuration, as shown in FIGS. 5 and 6, a protruding portion 42 is provided at the lower end of the main link portion 41 of the main link element 40. The protruding portion 42 is urged so as to protrude from the lower end of the main link portion 41. The projecting portion 42 is connected to an operation piece 41a provided at the lower end portion of the main link portion 41. By sliding the operation piece 41a with respect to the main link portion 41, the projecting portion 42 is connected to the main link portion 41. 41 can be immersed. On the other hand, as shown in FIGS. 3 and 4, a cylindrical portion 26 is formed in the first connection member 25 of the front wheel support element 20. As shown in FIG. 7, the cylindrical portion 26 has a distal end opened to define a receiving hole 27 that receives the protruding portion 42. In such a configuration, the protrusion 42 of the main link element 40 is fitted into the receiving hole 27 of the first connection member 25, thereby restricting relative rotation between the front wheel support element 20 and the main link element 40.
　なお、前輪支持要素２０と主リンク要素４０とが係合するための構成は、ここで説明した例に限られることなく、種々の形態で構成され得る。また、操作片４１ａは、突出部４２を操作するための手段としての一例に過ぎず、適宜変更され得る。例えば、ハンドル５０の連結部５２に、突出部４２を操作するための遠隔操作手段を設け、ハンドル５０の連結部５２および主部５１内に、遠隔操作手段の動作を突出部４２に伝達するための伝達手段（例えば、ワイヤ）が設けられるようにしてもよい。 The configuration for engaging the front wheel support element 20 and the main link element 40 is not limited to the example described here, and may be configured in various forms. Moreover, the operation piece 41a is only an example as a means for operating the protrusion part 42, and can be changed suitably. For example, a remote control means for operating the protruding portion 42 is provided in the connecting portion 52 of the handle 50, and the operation of the remote operating means is transmitted to the protruding portion 42 in the connecting portion 52 and the main portion 51 of the handle 50. A transmission means (for example, a wire) may be provided.
　次に、連結リンク要素６０について説明する。図４および図７によく示されているように、右側の連結リンク要素６０は、右側に配置された主リンク要素４０および後輪支持要素３０の間を延び、且つ、主リンク要素４０と後輪支持要素３０とのそれぞれに対して相対回動可能となっている。同様に、左側の連結リンク要素６０は、左側に配置された主リンク要素４０および後輪支持要素３０の間を延び、且つ、主リンク要素４０と後輪支持要素３０とのそれぞれに対して相対回動可能となっている。したがって、本実施の形態において、主リンク要素４０は、連結リンク要素６０を介して間接的に、後輪支持要素３０に回動可能に接続されている。連結リンク要素６０は、例えば金属製プレートから構成され得る。 Next, the connecting link element 60 will be described. 4 and 7, the right connecting link element 60 extends between the main link element 40 and the rear wheel support element 30 arranged on the right side, and the main link element 40 and the rear Relative rotation with respect to each of the wheel support elements 30 is possible. Similarly, the connecting link element 60 on the left side extends between the main link element 40 and the rear wheel support element 30 arranged on the left side, and is relative to each of the main link element 40 and the rear wheel support element 30. It can be turned. Therefore, in the present embodiment, the main link element 40 is indirectly connected to the rear wheel support element 30 via the connecting link element 60 so as to be rotatable. The connecting link element 60 may be composed of a metal plate, for example.
　図示された形態では、図４および図７によく示されているように、各連結リンク要素６０は、まず、後輪支持要素３０のうちの、後輪支持要素３０と前輪支持要素２０との相対回動中心ＲＣ１よりも後輪３１から離間する側となる延出部３５に、回動可能に取り付けられている。より具体的には、連結リンク要素６０は、延出部３５の延出端部３６の後方部分と、軸部材６１を介して枢着されている。したがって、使用状態にある乳母車１０の側面視において、後輪支持要素３０と連結リンク要素６０との相対回動中心ＲＣ３は、後輪支持要素３０と前輪支持要素２０との相対回動中心ＲＣ１よりも前方かつ上方に位置している。 In the illustrated form, as well shown in FIGS. 4 and 7, each connecting link element 60 is firstly connected between the rear wheel support element 30 and the front wheel support element 20 of the rear wheel support element 30. The relative rotation center RC1 is rotatably attached to an extending portion 35 that is on the side farther from the rear wheel 31. More specifically, the connecting link element 60 is pivotally attached to the rear portion of the extending end portion 36 of the extending portion 35 via the shaft member 61. Therefore, in the side view of the baby carriage 10 in use, the relative rotation center RC3 between the rear wheel support element 30 and the connecting link element 60 is greater than the relative rotation center RC1 between the rear wheel support element 30 and the front wheel support element 20. Is also located forward and upward.
　図示された形態では、図４および図７によく示されているように、各連結リンク要素６０は、使用状態にある乳母車１０の側面視において、主リンク要素４０の主リンク部４１のうちの、前輪支持要素２０と主リンク要素４０との相対回動中心ＲＣ２よりも下方となる部分に、回動可能に取り付けられている。より具体的には、連結リンク要素６０は、主リンク部４１の第２接続部材４３が取り付けられた位置よりも下方となる部分と、軸部材６２を介して枢着されている。使用状態にある乳母車１０の側面視において、主リンク要素４０と連結リンク要素６０との相対回動中心ＲＣ４は、後輪支持要素３０と連結リンク要素６０との相対回動中心ＲＣ３よりも後方に位置している。 In the illustrated form, as is well shown in FIGS. 4 and 7, each connecting link element 60 is provided in the main link portion 41 of the main link element 40 in the side view of the baby carriage 10 in use. The front wheel support element 20 and the main link element 40 are rotatably attached to a portion below the relative rotation center RC2. More specifically, the connecting link element 60 is pivotally attached to the portion below the position where the second connecting member 43 of the main link portion 41 is attached, via a shaft member 62. In the side view of the baby carriage 10 in use, the relative rotation center RC4 between the main link element 40 and the connection link element 60 is behind the relative rotation center RC3 between the rear wheel support element 30 and the connection link element 60. positioned.
　乳母車本体１５は、横方向（幅方向）に延びる部材として、一対の前輪支持要素２０の前脚部材２３の間を連結する第１前側連結部材６５および第２前側連結部材６６と、一対の後輪支持要素３０の後脚部３４の間を連結する後側連結部材６７と、を有している。このうち、第２前側連結部材６６は、フットレストとして機能する。本実施の形態では、これらの部材によって、一対の前輪支持要素２０、一対の後輪支持要素３０、一対の主リンク要素４０、および、一対の連結リンク要素６０が、それぞれ、使用状態と折り畳み状態との間を変形する際、一定間隔で離間した状態に保たれる。 The baby carriage body 15 includes, as members extending in the lateral direction (width direction), a first front connection member 65 and a second front connection member 66 that connect the front leg members 23 of the pair of front wheel support elements 20, and a pair of rear wheels. And a rear connecting member 67 that connects the rear legs 34 of the support element 30. Among these, the 2nd front side connection member 66 functions as a footrest. In the present embodiment, the pair of front wheel support elements 20, the pair of rear wheel support elements 30, the pair of main link elements 40, and the pair of connection link elements 60 are used and folded by these members, respectively. When deforming between the two, they are kept in a state of being spaced apart at a constant interval.
　以上のような全体構成を有した乳母車本体１５は、各構成要素を相対回動させることにより、使用状態から折り畳み状態へと折り畳むことができる。具体的には、まず、操作片４１ａを操作することにより、主リンク要素４０の突出部４２と前輪支持要素２０の受け穴２７との係合を解除する。この操作によって、前輪支持要素２０と主リンク要素４０との相対回動が可能となる。 The baby carriage main body 15 having the overall configuration as described above can be folded from the use state to the folded state by relatively rotating each component. Specifically, first, by operating the operation piece 41a, the engagement between the protruding portion 42 of the main link element 40 and the receiving hole 27 of the front wheel support element 20 is released. By this operation, the front wheel support element 20 and the main link element 40 can be rotated relative to each other.
　次に、図７に示すように、主リンク要素４０のうちの前輪支持要素２０との相対回動中心ＲＣ２から使用状態において延び上がっている部分、すなわちこの相対回動中心ＲＣ２よりも上方に位置している部分が前側に倒れ込むようになる向きへ、主リンク要素４０を前輪支持要素２０に対して回動させる。この回動操作によって、主リンク要素４０のうちの前輪支持要素２０との相対回動中心ＲＣ２から使用状態において延び上がっていた部分が、後輪支持要素２０に接近する。言い換えると、使用状態において前輪２１から離れていた側となる主リンク要素４０の端部（上方側端部）が、前輪２１に接近する。図示された形態では、乳母車１０の側面視において、ハンドル５０の連結部５２が、前側から、前輪支持要素２０の前輪２１に接近するようになる。 Next, as shown in FIG. 7, a portion of the main link element 40 extending from the relative rotation center RC <b> 2 with the front wheel support element 20 in the use state, that is, positioned above the relative rotation center RC <b> 2. The main link element 40 is rotated with respect to the front wheel support element 20 in such a direction that the portion that is being tilted forward. By this turning operation, a portion of the main link element 40 that has been extended from the relative turning center RC <b> 2 with the front wheel support element 20 in the use state approaches the rear wheel support element 20. In other words, the end portion (upper end portion) of the main link element 40 on the side away from the front wheel 21 in the usage state approaches the front wheel 21. In the illustrated form, when the baby carriage 10 is viewed from the side, the connecting portion 52 of the handle 50 approaches the front wheel 21 of the front wheel support element 20 from the front side.
　このような主リンク要素４０の前輪支持要素２０に対する動作にともなって、連結リンク要素６０を介して主リンク要素４０に接続された後輪支持要素３０も他の構成要素に対して動作する。上述したように、連結リンク要素６０は、主リンク要素４０のうちの、前輪支持要素２０と主リンク要素４０との相対回動中心ＲＣ２よりも乳母車１０の使用状態において下方となる部分に、回動可能に取り付けられ、且つ、後輪支持要素３０のうちの、後輪支持要素３０と前輪支持要素２０との相対回動中心ＲＣ１よりも後輪３１から離間する側となる延出部３５に、回動可能に取り付けられている。したがって、主リンク要素４０が前方に傾倒するように前輪支持要素３０に対して回動して前輪支持要素２０に接近する際、図５および図１０に示された側面視において、主リンク要素４０と連結リンク要素６０との相対回動中心ＲＣ４が、上方に引き上げられる。これにともなって、図５および図１０に示された側面視において、連結リンク要素６０と後輪支持要素３０との相対回動中心ＲＣ３も上方に引き上げられるよう、後輪支持要素３０が前輪支持要素２０に対して回動する。すなわち、後輪支持要素３０は、連結リンク要素６０により、前後方向に沿って後輪３１が前輪２１に接近するように、前輪支持要素２０に対して回動する。 As the main link element 40 operates with respect to the front wheel support element 20, the rear wheel support element 30 connected to the main link element 40 via the connecting link element 60 also operates with respect to other components. As described above, the connecting link element 60 rotates in a portion of the main link element 40 that is lower than the relative rotation center RC2 between the front wheel support element 20 and the main link element 40 in the usage state of the baby carriage 10. Of the rear wheel support element 30, which is movably attached to the extension portion 35 on the side farther from the rear wheel 31 than the relative rotation center RC 1 between the rear wheel support element 30 and the front wheel support element 20. It is attached so that it can rotate. Therefore, when the main link element 40 is rotated with respect to the front wheel support element 30 so as to tilt forward and approaches the front wheel support element 20, the main link element 40 is viewed in a side view shown in FIGS. And the relative rotation center RC4 of the connecting link element 60 is pulled upward. Accordingly, the rear wheel support element 30 is supported by the front wheel so that the relative rotation center RC3 between the connecting link element 60 and the rear wheel support element 30 is also lifted upward in the side view shown in FIGS. Rotate relative to element 20. That is, the rear wheel support element 30 is rotated with respect to the front wheel support element 20 by the connecting link element 60 so that the rear wheel 31 approaches the front wheel 21 along the front-rear direction.
　以上の手順により、主リンク要素６０、前輪支持要素２０および後輪支持要素４０が、互いに接近するように、乳母車本体１５を折り畳むことができる。このように乳母車本体１５を折り畳むことにより、乳母車本体１５の寸法を前後方向および上下方向の両方において小型化することができる。また、使用状態から折り畳み状態へ折り畳む際に、前輪支持要素２０および後輪支持要素３０が、前後方向に沿って前輪２１および後輪３１が互いに接近するよう相対回動するため、図５及び図６に示すように、前輪２１および後輪２２を接地させて折り畳み状態の乳母車本体１５（乳母車１０）を自立させることが可能となる。乳母車１０が折り畳み状態で自立可能な場合、保管スペース等の観点から非常に好ましい。 By the above procedure, the baby carriage main body 15 can be folded so that the main link element 60, the front wheel support element 20 and the rear wheel support element 40 approach each other. By folding the baby carriage main body 15 in this way, the size of the baby carriage main body 15 can be reduced in both the front-rear direction and the vertical direction. Further, when folding from the use state to the folded state, the front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other along the front-rear direction. As shown in FIG. 6, the baby carriage body 15 (the baby carriage 10) in a folded state can be made independent by grounding the front wheel 21 and the rear wheel 22. When the baby carriage 10 can stand by itself in a folded state, it is very preferable from the viewpoint of storage space and the like.
　上述した乳母車本体１５の構成によれば、折り畳み状態にある乳母車本体１５の側面視において、前輪２１および後輪３１が接地面に接地した状態で、前輪支持要素２０および後輪支持要素３０の相対回動中心ＲＣ１が、接地面に沿った方向（つまり、前後方向）において前輪２１の接地位置（つまり、前輪２１の回転中心）と後輪３１の接地位置（つまり、後輪３１の回転中心）との間に位置するようにすることができる。このような形態によれば、折り畳み状態の乳母車本体１５(乳母車１０)をより安定して自立させることができる。 According to the configuration of the baby carriage main body 15 described above, the front wheel support element 20 and the rear wheel support element 30 are relative to each other in a state in which the front wheel 21 and the rear wheel 31 are in contact with the ground contact surface in a side view of the baby carriage main body 15 in the folded state. The rotation center RC1 is in the direction along the contact surface (that is, the front-rear direction), the contact position of the front wheel 21 (that is, the rotation center of the front wheel 21) and the contact position of the rear wheel 31 (that is, the rotation center of the rear wheel 31). It can be located between. According to such a form, the baby carriage main body 15 (the baby carriage 10) in the folded state can be made more stable and independent.
　また、図示された形態では、左側となる第２接続部材４３の一部分によって、弾性変形可能な係合爪（係合片）４７が形成されている。図１～３に示すように、係合爪４７は、乳母車１０の使用状態において、第２接続部材４３の本体部４４の上方に位置して、前輪支持要素２０から離間している。一方、主リンク要素４０が前輪支持要素２０に対して回動した乳母車１０の折り畳み状態において、図５に示すように、係合爪４７は、第２接続部材４３の本体部４４の下方に位置して、図８に示すように、前輪支持要素２０の前脚部材２３の上方部分と係合する。図８に示された係合爪４７と前脚部材２３との係合により、前輪支持要素２０と主リンク要素４０との回動が規制され、乳母車１０が折り畳み状態に維持されるようになる。 In the illustrated embodiment, an engaging claw (engaging piece) 47 that can be elastically deformed is formed by a part of the second connecting member 43 on the left side. As shown in FIGS. 1 to 3, the engaging claw 47 is located above the main body portion 44 of the second connecting member 43 and is separated from the front wheel support element 20 when the baby carriage 10 is in use. On the other hand, in the folded state of the baby carriage 10 in which the main link element 40 is rotated with respect to the front wheel support element 20, the engagement claw 47 is positioned below the main body 44 of the second connection member 43 as shown in FIG. 5. Then, as shown in FIG. 8, it engages with the upper part of the front leg member 23 of the front wheel support element 20. The engagement between the engagement pawl 47 and the front leg member 23 shown in FIG. 8 restricts the rotation of the front wheel support element 20 and the main link element 40, so that the baby carriage 10 is maintained in the folded state.
　なお、乳母車本体１５を折り畳み状態から使用状態へ展開するには、上述した折り畳み操作と逆の手順を踏めばよい。 In addition, what is necessary is just to follow the procedure reverse to the folding operation mentioned above in order to expand | deploy the baby carriage main body 15 from a folding state to a use state.
　図１に示すように、以上のような構成からなる乳母車本体１５には、すなわち、幌７５およびシート７０が設けられている。幌７５は、乳母車本体１５に取り付けられた一以上の幌骨７６と、幌骨７６に取り付けられた幌布７７と、を有しており、日除けとして機能する。図示された例において、幌骨７６は、略Ｕ字状に形成されて、略Ｕ字の両端がハンドル５０に枢着されている。幌骨７６がハンドル５０に対して揺動することにより、幌７５が開閉される。 As shown in FIG. 1, the baby carriage main body 15 having the above-described configuration is provided with a hood 75 and a seat 70. The hood 75 has one or more hood bones 76 attached to the baby carriage main body 15 and a hood cloth 77 attached to the hood bone 76, and functions as an awning. In the illustrated example, the hood bone 76 is formed in a substantially U shape, and both ends of the substantially U shape are pivotally attached to the handle 50. As the hood bone 76 swings with respect to the handle 50, the hood 75 is opened and closed.
　一方、シート７０は、上述したように、後輪支持要素３０の延出部３５に支持された座部７１と、座部７１から後方に延び出た背部７２と、座部７１および背部７２の側方に設けられた一対の側壁部７３と、を有している。座部７１は、乳母車１０に乗車する乳幼児の臀部を主として支持するようになる。一方、背部７２は、乳幼児の背中に対面する位置に配置されるようになる。側壁部７３は、乳母車１０に乗車する乳幼児の両側方に位置する。 On the other hand, as described above, the seat 70 includes a seat 71 supported by the extension 35 of the rear wheel support element 30, a back 72 extending rearward from the seat 71, and the seat 71 and the back 72. And a pair of side wall portions 73 provided on the side. The seat portion 71 mainly supports the buttocks of the infant riding on the baby carriage 10. On the other hand, the back part 72 comes to be disposed at a position facing the back of the infant. The side wall portions 73 are located on both sides of the baby who rides on the baby carriage 10.
　図１に示すように、シート７０の座部７１の前端部分が、後輪支持要素３０の延出部３５に取り付けられ、シート７０の背部７２の上端部分が、主リンク要素４０によって構成されるハンドル５０の主部５１に取り付けられている。一方、上述したように、使用状態から折り畳み状態へ乳母車１０を変形する際、主リンク要素４０のうちの前輪支持要素３０との相対回動中心ＲＣ２から乳母車１０の使用状態において延び上がっている部分が前側に倒れるよう主リンク要素４０が前輪支持要素２０に対して回動する。このとき、乳幼児が着座または仰臥する場所となるシート７０のうちの背部７２が、主リンク要素４０に支持されて主リンク要素４０とともに動作することにより、シート背部７２の乳幼児に対面する表面が、シート座部７１の乳幼児に対面する表面に向けて移動する。この結果、折り畳まれた乳母車１０において、シート７０の乳幼児に対面する表面よりも、シート７０の乳幼児に対面しない裏面が、より露出するようになる。とりわけ図１０に示された形態では、シート座部７１の表面がシート背部７２の表面と接近して直面することができ、また、シート背部７２のその他の表面は、前後方向において折り畳み状態の乳母車１０の内方を向き、且つ、上下方向においていくらか下方を向くように傾斜するようになる。このため乳幼児に対面するシート７０の表面にごみ等からなる異物が付着すること、さらには、シート７０の表面のうちのシート７０の背部７２と座部７１との間にごみ等からなる異物が溜まってしまうことを、効果的に抑制することができる。結果として、乳母車１０を折り畳んで保管する際にシート７０が汚れてしまうことを効果的に抑制することができる。 As shown in FIG. 1, the front end portion of the seat portion 71 of the seat 70 is attached to the extension portion 35 of the rear wheel support element 30, and the upper end portion of the back portion 72 of the seat 70 is constituted by the main link element 40. A main part 51 of the handle 50 is attached. On the other hand, as described above, when the baby carriage 10 is deformed from the use state to the folded state, the portion of the main link element 40 extending from the relative rotation center RC2 with the front wheel support element 30 in the use state of the baby carriage 10. The main link element 40 is rotated with respect to the front wheel support element 20 so that the front link element 20 falls to the front side. At this time, when the back portion 72 of the seat 70 where the infant sits or lies is supported by the main link element 40 and operates together with the main link element 40, the surface of the seat back portion 72 facing the infant is It moves toward the surface of the seat seat 71 that faces the infant. As a result, in the folded baby carriage 10, the back surface of the seat 70 that does not face the infant is more exposed than the front surface of the seat 70 that faces the infant. In particular, in the form shown in FIG. 10, the surface of the seat seat 71 can be faced close to the surface of the seat back 72, and the other surface of the seat back 72 is folded in the front-rear direction. 10 inclines so as to incline so as to face downward in the vertical direction. For this reason, foreign matter such as dust adheres to the surface of the sheet 70 facing the infant, and further, foreign matter such as dust is present between the back portion 72 of the seat 70 and the seat portion 71 on the surface of the seat 70. Accumulation can be effectively suppressed. As a result, when the baby carriage 10 is folded and stored, it is possible to effectively suppress the seat 70 from becoming dirty.
　また、図示された形態において、シート７０の側壁部７３が、延出部３５と、主リンク要素４０のうちの前輪支持要素２０との相対回動中心ＲＣ２から使用状態において延び上がっている部分、すなわちハンドル５０の主部５１と、に取り付けられている。乳母車１０のシート７０上に乳幼児が乗車すると、後輪３１が前輪２１から前後方向に離間する向きに後輪支持要素３０を相対回動させる力が乳母車１０に加わる。ここで説明した形態では、このような外力を、連結リンク要素６０だけでなく、シート７０の側壁部７３によっても受けることができる。すなわち、シート７０の側壁部７３が、乳母車１０の使用状態において主リンク要素４０および前輪支持要素２０に対する後輪支持要素３０の相対位置を維持するための部材として機能し、乳母車１０に剛性を向上させることができる。したがって、このようなシート７０の側壁部７３によれば、乳母車１０の走行中の撓み等の発生を抑制することができる。 Further, in the illustrated form, the side wall portion 73 of the seat 70 extends from the relative rotation center RC2 between the extension portion 35 and the front wheel support element 20 of the main link element 40 in a use state, That is, it is attached to the main portion 51 of the handle 50. When an infant gets on the seat 70 of the baby carriage 10, a force is applied to the baby carriage 10 to relatively rotate the rear wheel support element 30 in a direction in which the rear wheel 31 is separated from the front wheel 21 in the front-rear direction. In the embodiment described here, such an external force can be received not only by the connecting link element 60 but also by the side wall portion 73 of the seat 70. That is, the side wall portion 73 of the seat 70 functions as a member for maintaining the relative position of the rear wheel support element 30 with respect to the main link element 40 and the front wheel support element 20 in the usage state of the baby carriage 10, thereby improving the rigidity of the baby carriage 10. Can be made. Therefore, according to such a side wall portion 73 of the seat 70, it is possible to suppress the occurrence of bending or the like while the baby carriage 10 is traveling.
　とりわけ本実施の形態では、図１および図９に示すように、側壁部７３は、座部７１および背部７２から離間する側の縁部を形成するベルト状部材７３ａを有している。ベルト状部材７３ａは、側壁部７３のその他の部分よりも高い引っ張り強さが高くなるように構成されている。図９によく示されているように、このベルト状部材７３ａが、後輪支持要素３０の延出部３５および主リンク要素４０によってなされるハンドル５０の主部５１に取り付けられているため、乳母車１０の剛性を効果的に向上させることができる。 Particularly in the present embodiment, as shown in FIGS. 1 and 9, the side wall portion 73 has a belt-like member 73 a that forms an edge portion on the side separated from the seat portion 71 and the back portion 72. The belt-like member 73 a is configured to have a higher tensile strength than the other portions of the side wall portion 73. As this belt-like member 73a is attached to the main part 51 of the handle 50 formed by the extension part 35 of the rear-wheel support element 30 and the main link element 40 as well shown in FIG. The rigidity of 10 can be effectively improved.
　以上のような本実施の形態によれば、使用状態から折り畳み状態へ変形する際、ハンドル５０が前側に倒れるように前輪支持要素２０に対して回動して、ハンドル５０および前輪支持要素２０が互いに接近し、且つ、前輪２１および後輪３１が互いに接近するように前輪支持要素２０および後輪支持要素３０が相対回動する。したがって、また、主リンク要素４０、前脚として機能する前輪支持要素２０および後脚として機能する後輪支持要素３０が、互いに接近するようにして、乳母車１０を折り畳むことが可能となる。この場合、乳母車１０の折り畳み寸法を前後方向および上下方向の両方において小型化することができる。 According to the present embodiment as described above, when the handle 50 and the front wheel support element 20 are deformed from the use state to the folded state, the handle 50 and the front wheel support element 20 are rotated with respect to the front wheel support element 20 so as to fall forward. The front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other. Therefore, the baby carriage 10 can be folded such that the main link element 40, the front wheel support element 20 functioning as a front leg, and the rear wheel support element 30 functioning as a rear leg approach each other. In this case, the folding size of the baby carriage 10 can be reduced in both the front-rear direction and the vertical direction.
　また、乳幼児が着座または仰臥するシート７０のうちの背部７２が、主リンク要素４０に直接的または間接的に支持されて主リンク要素４０とともに動作することにより、シート背部７２の乳幼児に対面する表面が、シート座部７１の乳幼児に対面する表面に向けて移動する。これにより、折り畳み状態の乳母車１０において、シート７０の乳幼児に対面する表面よりも、シート７０の乳幼児に対面しない裏面が、より露出するようになる。また、シート座部７１の表面がシート背部７２の表面と接近して直面するようになり、且つ、シート背部７２のその他の表面が、前後方向において折り畳み状態の乳母車１０の内方を向く。このため乳幼児に対面するシート７０の表面にごみ等からなる異物が付着すること、さらには、シート７０の表面のうちのシート７０の背部７２と座部７１との間にごみ等からなる異物が溜まってしまうことを、効果的に抑制することができる。 Further, the back portion 72 of the seat 70 on which the infant is seated or supine is supported directly or indirectly by the main link element 40 and operates together with the main link element 40, whereby the surface of the seat back portion 72 that faces the infant. However, it moves toward the surface of the seat seat 71 that faces the infant. As a result, in the folded baby carriage 10, the back surface of the seat 70 that does not face the infant is more exposed than the front surface of the seat 70 that faces the infant. Further, the surface of the seat seat portion 71 comes close to the surface of the seat back portion 72 and the other surface of the seat back portion 72 faces the inside of the stroller 10 in the folded state in the front-rear direction. For this reason, foreign matter such as dust adheres to the surface of the sheet 70 facing the infant, and further, foreign matter such as dust is present between the back portion 72 of the seat 70 and the seat portion 71 on the surface of the seat 70. Accumulation can be effectively suppressed.
　さらに、前輪２１および後輪３１が互いに接近するように前輪支持要素２０および後輪支持要素３０が相対回動するので、前輪２１および後輪３１を接地させて折り畳み状態の乳母車１０を安定して自立させることが可能となる。したがって、乳母車１０の保管スペースを省スペース化することができる。 Further, since the front wheel support element 20 and the rear wheel support element 30 rotate relative to each other so that the front wheel 21 and the rear wheel 31 approach each other, the front wheel 21 and the rear wheel 31 are brought into contact with the ground and the stroller 10 in the folded state can be stabilized. It becomes possible to be independent. Therefore, the storage space of the baby carriage 10 can be saved.
　なお、上述した実施の形態に対して様々な変更を加えることが可能である。以下、図面を参照しながら、変形の一例について説明する。以下の説明および以下の説明で用いる図面では、上述した実施の形態と同様に構成され得る部分について、上述の実施の形態における対応する部分に対して用いた符号と同一の符号を用いることとし、重複する説明を省略する。 Note that various modifications can be made to the above-described embodiment. Hereinafter, an example of modification will be described with reference to the drawings. In the following description and the drawings used in the following description, the same reference numerals as those used for the corresponding parts in the above embodiment are used for the parts that can be configured in the same manner as in the above embodiment. A duplicate description is omitted.
　上述した実施の形態において、ハンドル５０が、一対の主部５１と、一対の主部５１を連結する連結部５２と、を有し、略Ｕ字状に形成された例を示したが、これに限られない。ハンドル５０が、一対の主部５１と、各主部５１の端部に取り付けられた把持部と、からなるようにしてもよい。 In the embodiment described above, the handle 50 has a pair of main portions 51 and a connecting portion 52 that connects the pair of main portions 51, and an example in which the handle 50 is formed in a substantially U shape has been shown. Not limited to. The handle 50 may be composed of a pair of main portions 51 and a grip portion attached to an end portion of each main portion 51.
　また、上述した実施の形態において、一対の後輪支持要素３０が、その長手方向に沿った中間部分または下方部分において、後側連結部材６７を介して互いに連結される例を示したが、これに限られない。一例として、図１１に示すように、一対の後輪支持要素３０が、その上方部分にて、言い換えるとその前方部分にて、連結部３９を介して互いに連結されるようにしてもよい。このような連結部３９は、乳母車本体１５の剛性を向上させることができ、且つ、シート７０の座部７１を支持する部位としても機能する。これにより、乳母車１０の走行をより安定させること、並びに、乗り心地を改善することができる。 In the above-described embodiment, an example in which the pair of rear wheel support elements 30 are coupled to each other via the rear coupling member 67 at the intermediate portion or the lower portion along the longitudinal direction is shown. Not limited to. As an example, as shown in FIG. 11, a pair of rear wheel support elements 30 may be connected to each other via a connecting portion 39 at an upper portion thereof, in other words, at a front portion thereof. Such a connecting portion 39 can improve the rigidity of the baby carriage main body 15 and also functions as a portion that supports the seat portion 71 of the seat 70. Thereby, driving | running | working of the baby carriage 10 can be stabilized more and riding comfort can be improved.
　なお、図１１に示された例では、連結部３９は、一対の後輪支持要素３０の上方端部（前方端部）の間を延びている。そして、連結部３９は、例えばＵ字状に曲げられたアルミニウム合金等の金属製のパイプから、後輪支持要素３０の後脚部材３３と一体的に形成されている。 In the example shown in FIG. 11, the connecting portion 39 extends between the upper ends (front ends) of the pair of rear wheel support elements 30. And the connection part 39 is integrally formed with the rear leg member 33 of the rear-wheel support element 30 from metal pipes, such as an aluminum alloy bent in the U-shape, for example.
　また、図１１に示された例では、前輪支持要素２０と主リンク要素４０との係合を解除するための遠隔操作手段５４が、ハンドル５０の連結部５２に設けられている。前輪支持要素２０および主リンク要素４０の間での係合を実現するための部材、例えば上述した突出部４２と、この遠隔操作手段５４との間に、遠隔操作手段５４の動作を突出部４２に伝達するための伝達手段（例えば、ワイヤ）が設けられ、遠隔操作手段５４によって突出部４２を操作することができるようになっている。この遠隔操作手段５４を用いることにより、乳母車本体１５の使用状態と折り畳み状態との間での変形をより容易に行うことが可能となる。 Further, in the example shown in FIG. 11, remote operation means 54 for releasing the engagement between the front wheel support element 20 and the main link element 40 is provided in the connecting portion 52 of the handle 50. A member for realizing the engagement between the front wheel support element 20 and the main link element 40, for example, the protrusion 42 described above, and the remote operation means 54, the operation of the remote operation means 54 is performed between the protrusion 42 and the member 42. Transmitting means (for example, a wire) is provided for transmitting to the projector, and the projecting portion 42 can be operated by the remote control means 54. By using the remote control means 54, it becomes possible to more easily perform the deformation between the used state and the folded state of the baby carriage main body 15.
　さらに、上述した実施の形態において、幅方向における最外方に前輪支持要素２０および主リンク要素４０が配置されるとともに、幅方向における最内方に後輪支持要素３０が配置され、幅方向における後輪支持要素３０と主リンク要素４０との間となる位置に連結リンク要素６０が設けられている例を示したが、これに限られない。例えば、図１１に示すように、幅方向における最外方に前輪支持要素２０および主リンク要素４０が配置されるとともに、幅方向における最内方に連結リンク要素６０が配置され、幅方向における主リンク要素４０と連結リンク要素６０との間となる位置に後輪支持要素３０が設けられるようにしてもよい。 Further, in the above-described embodiment, the front wheel support element 20 and the main link element 40 are disposed on the outermost side in the width direction, and the rear wheel support element 30 is disposed on the innermost side in the width direction. Although the example in which the connecting link element 60 is provided at a position between the rear wheel support element 30 and the main link element 40 is shown, the present invention is not limited to this. For example, as shown in FIG. 11, the front wheel support element 20 and the main link element 40 are arranged at the outermost side in the width direction, and the connecting link element 60 is arranged at the innermost side in the width direction. The rear wheel support element 30 may be provided at a position between the link element 40 and the connecting link element 60.
　より具体的には、図１１に示された例では、連結リンク要素６０は、主リンク要素４０の下方部分から幅方向に沿って延び出た接続延出部６０ｂと、接続延出部６０ｂと後輪支持要素３０の延出部３５とに接続された本体部６０ａと、を有している。本体部６０ａは前後方向に延び、本体部６０ａと接続された後輪支持要素３０の延出部３５は、連結リンク要素６０の本体部６０ａと、前輪支持要素２０および主リンク要素４０との間に位置している。したがって、接続延出部６０ｂは、主リンク要素４０から、少なくとも後輪支持要素３０の延出部３５の厚み分の長さだけ、幅方向に延び出ることになる。このため、連結リンク要素６０の本体部６０ａと主リンク要素４０との間に十分な隙間が形成される。これにより、乳母車本体１５の変形時にシート７０や衣服等が最も巻き込まれやすくなる連結リンク要素６０の本体部６０ａと主リンク要素４０との間に、当該シート７０や衣服等が挟まれてしまうことを効果的に回避することができる。結果として、乳母車本体１５の使用状態と折り畳み状態との間での変形をより安定して行うことが可能となる。 More specifically, in the example shown in FIG. 11, the connecting link element 60 includes a connection extension part 60 b extending from the lower part of the main link element 40 along the width direction, and a connection extension part 60 b. And a main body portion 60a connected to the extending portion 35 of the rear wheel support element 30. The main body portion 60a extends in the front-rear direction, and the extended portion 35 of the rear wheel support element 30 connected to the main body portion 60a is between the main body portion 60a of the connecting link element 60, the front wheel support element 20 and the main link element 40. Is located. Therefore, the connection extension part 60b extends in the width direction from the main link element 40 by at least the length corresponding to the thickness of the extension part 35 of the rear wheel support element 30. For this reason, a sufficient gap is formed between the main body portion 60 a of the connecting link element 60 and the main link element 40. As a result, the seat 70, clothes, and the like are sandwiched between the main link element 40 and the main link element 40 of the connecting link element 60 where the seat 70, clothes, etc. are most likely to be caught when the baby carriage body 15 is deformed. Can be effectively avoided. As a result, the baby carriage main body 15 can be more stably deformed between the use state and the folded state.
　ところで、図１１に示された例では、後輪支持要素３０の後脚部材３３が、後脚部３４の中間部において湾曲または屈曲している。この結果、後脚部３４のうちの後輪３１を保持する部位は、延出部３５よりも幅方向において外方に位置するようになっている。この例によれば、乳母車１０の走行をより安定させることができる。 By the way, in the example shown in FIG. 11, the rear leg member 33 of the rear wheel support element 30 is curved or bent at the intermediate part of the rear leg part 34. As a result, a portion of the rear leg portion 34 that holds the rear wheel 31 is positioned outward in the width direction with respect to the extending portion 35. According to this example, traveling of the baby carriage 10 can be further stabilized.
　なお、図１１では、乳母車本体１５に取り付けられるかご８５を二点鎖線で示している。 In addition, in FIG. 11, the cage | basket | car 85 attached to the baby carriage main body 15 is shown with the dashed-two dotted line.
　さらに、上述した実施の形態において、主リンク要素４０が、ハンドル５０の主部５１の一部分を構成する例を示したが、これに限られない。図１２および図１３に示された例のように、主リンク要素４０とは別途の部品としてハンドル５５が設けられていてもよい。図１２および図１３に示された乳母車１０の乳母車本体１５は、前輪支持要素２０、後輪支持要素３０、連結リンク要素６０、第１前側連結部材６５、第２前側連結部材６６および後側連結部材６７を有する本体フレーム１６と、本体フレーム１６に回動可能に接続されたハンドル５５と、を有している。ハンドル５５は、略Ｕ字状に形成されている。ハンドル５５は、略Ｕ字の両端となる部分において、本体フレーム１６に回動可能に接続されている。 Furthermore, in the above-described embodiment, the example in which the main link element 40 constitutes a part of the main portion 51 of the handle 50 has been shown, but the present invention is not limited thereto. As in the example shown in FIGS. 12 and 13, a handle 55 may be provided as a separate component from the main link element 40. The baby carriage body 15 of the baby carriage 10 shown in FIGS. 12 and 13 includes a front wheel support element 20, a rear wheel support element 30, a connection link element 60, a first front connection member 65, a second front connection member 66, and a rear connection. A main body frame 16 having a member 67 and a handle 55 rotatably connected to the main body frame 16 are provided. The handle 55 is formed in a substantially U shape. The handle 55 is pivotally connected to the main body frame 16 at both ends of the substantially U-shape.
　ハンドル５５は、本体フレーム１６に対して揺動して、図１２および図１３に実線で示す対面押し位置（前方位置）と、図１２および図１３に二点鎖線で示す背面押し位置（後方位置）と、の間を移動する。本体フレーム１６には、ハンドル５５と係合して、ハンドル５５を対面押し位置に係止するための手段（図示せず）が設けられている。また、例えば本体フレーム１６の主リンク要素４０に、ハンドル５５と係合して、ハンドル５５を背面押し位置に係止するための手段（図示せず）が設けられている。ハンドル５５を背面押し位置において主リンク要素４０と固定することにより、上述の実施の形態と同様に、ハンドル５５を主リンク要素４０とともに、前輪支持要素２０および後輪支持要素３０に対して回動させることにより、乳母車１０を使用状態と展開状態との間で変形させることができる。 The handle 55 swings with respect to the main body frame 16 to face-to-face pressing position (front position) indicated by a solid line in FIGS. 12 and 13 and back pressing position (rear position) indicated by a two-dot chain line in FIGS. ) And move between. The main body frame 16 is provided with means (not shown) for engaging with the handle 55 to lock the handle 55 in the facing pressing position. Further, for example, the main link element 40 of the main body frame 16 is provided with means (not shown) for engaging with the handle 55 and locking the handle 55 in the back pushing position. By fixing the handle 55 to the main link element 40 in the back pushing position, the handle 55 is rotated with respect to the front wheel support element 20 and the rear wheel support element 30 together with the main link element 40 as in the above-described embodiment. By doing so, the baby carriage 10 can be deformed between the use state and the deployed state.
　したがって、このような乳母車１０によっても、上述した実施の形態と同様の作用効果を得ることができ、例えば、折り畳み状態の乳母車１０が保管される際にシート７０の汚れを効果的に防止することができ、また、乳母車１０の折り畳み寸法を小型化することができる。 Therefore, even with such a baby carriage 10, it is possible to obtain the same functions and effects as those of the above-described embodiment. For example, when the folded baby carriage 10 is stored, the seat 70 can be effectively prevented from being stained. In addition, the folding size of the baby carriage 10 can be reduced.
　なお、図１２および図１３に示された例では、ハンドル５５は、その下方部分、とりわけその下端部分を、使用状態の乳母車１０の側面視において、主リンク要素４０のうちの前輪支持要素２０との相対回動中心ＲＣ２よりも下方となる部分に、枢着されている。より具体的には、ハンドル５５と主リンク要素４０との回動中心は、主リンク要素４０と連結リンク要素６０との相対回動中心ＲＣ４と一致している。したがって、上述した後輪支持要素３０と連結リンク要素６０とを枢着する軸部材６２が、ハンドル５５をさらに貫通することによって、主リンク要素４０および連結リンク要素６０にハンドル５５を枢着することができる。 In the example shown in FIG. 12 and FIG. 13, the handle 55 has a lower portion, particularly a lower end portion, of the front wheel support element 20 of the main link element 40 in the side view of the baby carriage 10 in use. Is pivotally attached to a portion below the relative rotation center RC2. More specifically, the rotation center between the handle 55 and the main link element 40 coincides with the relative rotation center RC4 between the main link element 40 and the connection link element 60. Accordingly, the shaft member 62 that pivotally attaches the rear wheel support element 30 and the connecting link element 60 described above further penetrates the handle 55, thereby pivotally attaching the handle 55 to the main link element 40 and the connecting link element 60. Can do.
　また、上述した実施の形態において、シート７０が、後輪支持要素３０の延出部３５および主リンク要素４０に支持されている例を示したが、これに限られない。例えば、図１２および図１３に示すように、乳母車本体１５にシート保持機構８０が設けられ、シート保持機構８０によって、シート７０の背部７２が支持されるようにしてもよい。 In the above-described embodiment, the example in which the seat 70 is supported by the extension portion 35 of the rear wheel support element 30 and the main link element 40 has been described, but the present invention is not limited thereto. For example, as shown in FIGS. 12 and 13, the baby carriage main body 15 may be provided with a seat holding mechanism 80, and the seat holding mechanism 80 may support the back portion 72 of the seat 70.
　図１２および図１３に示された例において、シート保持機構８０は、乳母車本体１５に接続された主支持枠８１と、主支持枠８１に揺動可能に接続された上方支持枠８２と、主支持枠８１の両側方に配置された一対の側方支持枠８３と、を有している。上方支持枠８２は、主支持枠８１のうちの乳母車本体１５への接続箇所とは反対側となる上方側に、揺動可能に接続されている。主支持枠８１は、両端を乳母車本体１５に接続された略Ｕ字状の形状を有している。図１２および図１３に示された例では、主支持枠８１の乳母車本体１５に対する回動中心は、主リンク要素４０と連結リンク要素６０との相対回動中心ＲＣ４と一致している。 In the example shown in FIGS. 12 and 13, the seat holding mechanism 80 includes a main support frame 81 connected to the baby carriage body 15, an upper support frame 82 connected to the main support frame 81 so as to be swingable, and a main support frame 81. A pair of side support frames 83 disposed on both sides of the support frame 81. The upper support frame 82 is swingably connected to the upper side of the main support frame 81, which is opposite to the connection portion to the baby carriage body 15. The main support frame 81 has a substantially U-shape with both ends connected to the baby carriage body 15. In the example shown in FIGS. 12 and 13, the rotation center of the main support frame 81 with respect to the baby carriage body 15 coincides with the relative rotation center RC <b> 4 between the main link element 40 and the connecting link element 60.
　側方支持枠８３は、リンク材として機能し、主支持枠８１が後輪支持要素３０の延出部３５に対して倒れている場合に上方支持枠８２を主支持枠８１から起立させる。一方、主支持枠８１が後輪支持要素３０の延出部３５に対して立ち上がっている場合には、上方支持枠８２が主支持枠８１によって画成される面に概ね沿って延びるように、上方支持枠８２を傾倒させる。各側方支持枠８３は、乳母車本体１５および上方支持枠８２のそれぞれに相対回動可能に接続されている。図１２および図１３に示された例では、側方支持枠８３の乳母車本体１５に対する回動中心は、主リンク要素４０と前輪支持要素２０との相対回動中心ＲＣ２と一致している。 The side support frame 83 functions as a link member, and raises the upper support frame 82 from the main support frame 81 when the main support frame 81 is tilted with respect to the extending portion 35 of the rear wheel support element 30. On the other hand, when the main support frame 81 rises with respect to the extending portion 35 of the rear wheel support element 30, the upper support frame 82 extends substantially along the surface defined by the main support frame 81. The upper support frame 82 is tilted. Each side support frame 83 is connected to each of the baby carriage body 15 and the upper support frame 82 so as to be relatively rotatable. In the example shown in FIGS. 12 and 13, the rotation center of the side support frame 83 with respect to the baby carriage body 15 coincides with the relative rotation center RC <b> 2 between the main link element 40 and the front wheel support element 20.
　なお、図１３に示すように、主支持枠８１の背面側には、左右の主リンク要素４０に固着されたリクライニング調節ベルト８４が配設されている（図１２では、リクライニング調節ベルト８４を省略している）。そして、リクライニング調節ベルト８４の長さを調節することにより、シート７０の背部７２を支持する主支持枠８１の、シート５０の座面部５５を支持する後輪支持要素３０の延長部３５に対する角度、すなわち、リクライニング角度を調節することができる。 As shown in FIG. 13, a reclining adjustment belt 84 fixed to the left and right main link elements 40 is disposed on the back side of the main support frame 81 (the reclining adjustment belt 84 is omitted in FIG. 12). is doing). Then, by adjusting the length of the reclining adjustment belt 84, the angle of the main support frame 81 that supports the back portion 72 of the seat 70 with respect to the extension portion 35 of the rear wheel support element 30 that supports the seat surface portion 55 of the seat 50, That is, the reclining angle can be adjusted.
　図１２および図１３に示された例によれば、使用状態から折り畳み状態へ乳母車１０を変形する際に、シート保持機構８０に支持されたシート７０の背部７２は、リクライニング張設ベルト８４等を介してシート保持機構８０を支持する主リンク要素４０とともに、動作することができる。したがって、上述した実施の形態と同様の作用効果を得ることができ、例えば、折り畳み状態の乳母車１０が保管される際に、シート７０の汚れを効果的に防止することができる。 According to the example shown in FIGS. 12 and 13, when the baby carriage 10 is deformed from the use state to the folded state, the back portion 72 of the seat 70 supported by the seat holding mechanism 80 has the reclining tension belt 84 and the like. The main link element 40 that supports the sheet holding mechanism 80 can be operated. Therefore, it is possible to obtain the same operational effects as those of the above-described embodiment. For example, when the stroller 10 in the folded state is stored, the dirt of the seat 70 can be effectively prevented.
　さらに、図１２および図１３に示されたシート保持機構８０に代えて、図１５に示された乳母車本体１５のように、図１２および図１３に示された主支持枠８１およびリクライニング調節ベルト８４のみが乳母車本体１５に設けられるようにしてもよい。このような乳母車１０によっても、上述した実施の形態と同様の作用効果を得ることができ、例えば、折り畳み状態の乳母車１０が保管される際に、シート７０の汚れを効果的に防止することができる。なお、図１４～図１８は、同一の乳母車本体１５を示しているが、理解の便宜上、主支持枠８１は、図１７及び図１８において省略され、リクライニング調節ベルト８４は、図１５のみに示されている。 Further, in place of the seat holding mechanism 80 shown in FIGS. 12 and 13, like the baby carriage main body 15 shown in FIG. 15, the main support frame 81 and the reclining adjustment belt 84 shown in FIGS. Only the baby carriage main body 15 may be provided. Such a stroller 10 can provide the same effects as those of the above-described embodiment. For example, when the folded stroller 10 is stored, the seat 70 can be effectively prevented from being soiled. it can. 14 to 18 show the same baby carriage main body 15, the main support frame 81 is omitted in FIGS. 17 and 18, and the reclining adjustment belt 84 is shown only in FIG. Has been.
　さらに、上述した実施の形態では、一対の連結リンク要素６０が設けられている例を示したが、この例に限られない。図１４～図１８に示す例において、乳母車１０に乗車する乳幼児の臀部に対面する位置に、座部支持プレート６３が設けられ、座部支持プレート６３が連結リンク要素６０を形成する。座部支持プレート６３は、プレート状に形成され、乳幼児の臀部を下方から面で支持する。ただし、軽量化や通気性確保の観点から、座部支持プレート６３に貫通孔が形成されていてもよい。 Furthermore, in the above-described embodiment, an example in which a pair of connecting link elements 60 is provided is shown, but the present invention is not limited to this example. In the example shown in FIGS. 14 to 18, a seat support plate 63 is provided at a position facing the buttocks of the baby who rides on the baby carriage 10, and the seat support plate 63 forms the connecting link element 60. The seat support plate 63 is formed in a plate shape and supports the buttocks of the infant with a surface from below. However, through holes may be formed in the seat support plate 63 from the viewpoint of weight reduction and air permeability.
　座部支持プレート６３は、一対の主リンク要素４０、一対の前輪支持要素２０および一対の後輪支持要素３０の間を幅方向に延びている。図１５及び図１６から理解され得るように、座部支持プレート６３の両側部が、それぞれ、連結リンク要素６０を構成し、対応する側の主リンク要素４０の主リンク部４１に軸部材６２を用いて枢着され、且つ、対応する側の後輪支持要素３０の後脚部材３３に軸部材６１を用いて枢着されている。座部支持プレート６３は、その後方部分において、主リンク要素４０と接続されている。一方、座部支持プレート６３は、プレート状の本体部６３ａと、乳母車本体１５の展開状態において本体部６３ａから下方に突出する突出支持部６３ｂと、を有している。座部支持プレート６３は、この突出支持部６３ｂにおいて、後輪支持要素３０と接続されている。 The seat support plate 63 extends in the width direction between the pair of main link elements 40, the pair of front wheel support elements 20, and the pair of rear wheel support elements 30. As can be understood from FIGS. 15 and 16, both side portions of the seat support plate 63 constitute the connecting link element 60, and the shaft member 62 is attached to the main link portion 41 of the main link element 40 on the corresponding side. And is pivotally attached to the rear leg member 33 of the corresponding rear wheel support element 30 using a shaft member 61. The seat support plate 63 is connected to the main link element 40 at the rear portion thereof. On the other hand, the seat support plate 63 includes a plate-like main body 63a and a protruding support 63b that protrudes downward from the main body 63a when the baby carriage main body 15 is deployed. The seat support plate 63 is connected to the rear wheel support element 30 at the protruding support 63b.
　なお、座部支持プレート６３によってなされる連結リンク要素６０と後輪支持要素３０との相対回動中心ＲＣ３、及び、座部支持プレート６３によってなされる連結リンク要素６０と主リンク要素４０との相対回動中心ＲＣ４は、上述した実施の形態と同様の位置に配置されている。したがって、図１４～図１８に示された乳母車１０においても、上述の実施の形態における乳母車と同様に折り畳むことが可能であり、上述の実施の形態における乳母車と同様の作用効果を奏することができる。 The relative rotation center RC3 between the connecting link element 60 and the rear wheel support element 30 formed by the seat support plate 63, and the relative relationship between the connecting link element 60 and the main link element 40 formed by the seat support plate 63. The rotation center RC4 is disposed at the same position as in the above-described embodiment. Therefore, the stroller 10 shown in FIGS. 14 to 18 can be folded in the same manner as the stroller in the above-described embodiment, and the same operational effects as the stroller in the above-described embodiment can be achieved. .
　なお、図１４～図１８に示された乳母車１０では、後輪支持要素３０をなす後脚部材３３は、座部支持プレート６３との枢着箇所よりも前方には延び出していない。すなわち、図１４～図１８に示された乳母車１０では、上述した実施の形態と異なり、シート７０の座部７１を支持する延出部３５が設けられていない。このため、図１４～図１８に示された乳母車１０では、シート７０の座部７１は、座部支持プレート６３の本体部６３ａの前方部分によって支持され、上述したように、シート７０の背部７２は、主支持枠８１に支持されている。 In the baby carriage 10 shown in FIGS. 14 to 18, the rear leg member 33 that forms the rear wheel support element 30 does not extend forward from the pivot point with the seat support plate 63. That is, unlike the embodiment described above, the stroller 10 shown in FIGS. 14 to 18 is not provided with the extending portion 35 that supports the seat portion 71 of the seat 70. Therefore, in the baby carriage 10 shown in FIGS. 14 to 18, the seat portion 71 of the seat 70 is supported by the front portion of the main body portion 63a of the seat portion support plate 63, and as described above, the back portion 72 of the seat 70. Is supported by the main support frame 81.
　座部支持プレート６３を用いることによれば、乳母車本体１５の剛性を大幅に向上させることができる。また、乳母車本体１５の構成が単純化されるので、乳母車本体１５の折り畳み動作および乳母車本体１５の展開動作をスムースに行うことができる。さらに、乳幼児を下方から支持する構造が安定するため、乳幼児を適切な姿勢にて安定して乳母車１０に乗車させることができる。さらに、幅方向に亘った領域にて、シート７０の座部７１を支持することができるので、展開状態と折り畳み状態との間での、シート７０の変形量を少なくすることができる。 By using the seat support plate 63, the rigidity of the baby carriage body 15 can be greatly improved. Moreover, since the structure of the baby carriage main body 15 is simplified, the folding operation of the baby carriage main body 15 and the operation of unfolding the baby carriage main body 15 can be performed smoothly. Furthermore, since the structure for supporting the infant from below is stable, the infant can be stably placed in the baby carriage 10 in an appropriate posture. Furthermore, since the seat 71 of the seat 70 can be supported in the region extending in the width direction, the amount of deformation of the seat 70 between the expanded state and the folded state can be reduced.
　なお、図１４～図１８に示された変形例では、座部支持プレート６３の乳幼児に対面する側とは反対側の面に対面して保持体８６が設けられている。保持体８６は、柔軟性を有した布材やメッシュ材等を用いて形成されている。保持体８６と座部支持プレート６３の間に、乳母車１０の展開状態において少なくとも後方に開口する、収容スペース８７が形成される。収容スペース８７は、毛布やタオル等の小物を収容するスペースとして利用され得る。この観点から、保持体８６は伸張性を有した材料から形成されていてもよい。 In the modification shown in FIGS. 14 to 18, a holding body 86 is provided so as to face the surface of the seat support plate 63 opposite to the side facing the infant. The holding body 86 is formed using a flexible cloth material, mesh material, or the like. A housing space 87 is formed between the holding body 86 and the seat support plate 63 so as to open at least rearward in the deployed state of the baby carriage 10. The storage space 87 can be used as a space for storing small items such as blankets and towels. From this point of view, the holding body 86 may be formed of a stretchable material.
　また、保持体８６は、両側縁と、乳母車１０の展開状態における前方縁と、において、座部支持プレート６３または座部支持プレート６３に装着されたシート７０に接続されていることが好ましい。この場合、収容スペース８７に収容された物が、収容スペース８７から意図せず落下してしまうことを抑制することができる。なお、図１７及び図１８に示すように、保持体８６と座部支持プレート６３の間に形成された収容スペース８７の開口８７ａは、乳母車１０の折り畳み状態において、上方に向けて開放される。したがって、乳母車１０が折り畳み状態に自立可能であることもあり、乳母車１０の折り畳み状態においても収容スペース８７を活用することが可能となる。 Further, it is preferable that the holding body 86 is connected to the seat support plate 63 or the seat 70 attached to the seat support plate 63 at both side edges and the front edge of the baby carriage 10 in the unfolded state. In this case, it can suppress that the thing accommodated in the accommodation space 87 falls from the accommodation space 87 unintentionally. As shown in FIGS. 17 and 18, the opening 87 a of the accommodation space 87 formed between the holding body 86 and the seat support plate 63 is opened upward in the folded state of the baby carriage 10. Therefore, the baby carriage 10 may be able to stand in a folded state, and the accommodation space 87 can be utilized even when the baby carriage 10 is folded.
　また、図１４～図１８に示された変形例では、座部支持プレート６３の後方部分に取っ手８８が設けられている。この取っ手８８は、折り畳んだ乳母車１０を運ぶ際に、乳母車１０の持ち手となる。図１７及び図１８に示すように、取っ手８８は、乳母車１０の折り畳み状態において座部支持プレート６３から上方に突出している。したがって、この取っ手８８を用いて、折り畳み状態に自立可能な乳母車１０の取り扱い性をさらに向上させることができる。 In the modification shown in FIGS. 14 to 18, a handle 88 is provided at the rear portion of the seat support plate 63. The handle 88 becomes a handle of the baby carriage 10 when carrying the folded baby carriage 10. As shown in FIGS. 17 and 18, the handle 88 protrudes upward from the seat support plate 63 in a folded state of the baby carriage 10. Therefore, the handleability of the baby carriage 10 that can stand in a folded state can be further improved using the handle 88.
　さらに、降り畳み状態で自立した乳母車１０の利便性をさらに向上させるため、図１７に二点鎖線で示すように、座部支持プレート６３の乳幼児に対面する側とは反対側の面に、荷物掛けフック８９を設けるようにしてもよい。 Furthermore, in order to further improve the convenience of the baby carriage 10 that is self-supported in the folded state, as shown by a two-dot chain line in FIG. 17, the baggage is placed on the surface of the seat support plate 63 opposite to the side facing the infant. A hanging hook 89 may be provided.
　なお、以上において上述した実施の形態に対するいくつかの変形例を説明してきたが、当然に、複数の変形例を適宜組み合わせて適用することも可能である。 In addition, although the some modification with respect to embodiment mentioned above was demonstrated above, naturally, it is also possible to apply combining several modifications suitably.

Claims (21)

  1. 　使用状態と折り畳み状態との間で変形可能とした乳母車であって、
    　前輪を支持した前輪支持要素と、
    　前記前輪支持要素と相対回動可能に接続され且つ後輪を支持する後輪支持要素と、
    　前記前輪支持要素と相対回動可能に接続された主リンク要素と、
    　前記主リンク要素と前記後輪支持要素との間を延び、且つ、前記主リンク要素と前記後輪支持要素とのそれぞれに対して相対回動可能な連結リンク要素と、を備える、乳母車。     A stroller that is deformable between a use state and a folded state,
    A front wheel support element that supports the front wheel;
    A rear wheel support element connected to the front wheel support element so as to be relatively rotatable and supporting a rear wheel;
    A main link element connected to the front wheel support element in a relatively rotatable manner;
    A stroller comprising: a connecting link element that extends between the main link element and the rear wheel support element and is rotatable relative to each of the main link element and the rear wheel support element.
  2. 　前記連結リンク要素は、
    　前記主リンク要素のうちの、前記前輪支持要素との相対回動中心よりも前記使用状態において下方となる部分に、回動可能に取り付けられ、且つ、
    　前記後輪支持要素のうちの、前記前輪支持要素との相対回動中心よりも前記後輪から離間する側となる延出部に、回動可能に取り付けられている、請求項１に記載の乳母車。     The connecting link element is
    Of the main link element, it is pivotally attached to a portion that is lower in the use state than the center of relative rotation with the front wheel support element, and
    2. The rear wheel support element according to claim 1, wherein the rear wheel support element is rotatably attached to an extension portion that is on a side farther from the rear wheel than a relative rotation center with the front wheel support element. baby carriage.
  3. 　前記主リンク要素と相対回動可能に接続されたハンドルを、さらに備える、請求項１または２に記載の乳母車。 The baby carriage according to claim 1 or 2, further comprising a handle connected to the main link element so as to be relatively rotatable.
  4. 　前記主リンク要素がハンドルを構成する、請求項１または２に記載の乳母車。 The baby carriage according to claim 1 or 2, wherein the main link element constitutes a handle.
  5. 　前記使用状態から前記折り畳み状態へ変形する際、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分が前側に倒れるように前記主リンク要素が前記前輪支持要素に対して回動して、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっていた部分が前記前輪支持要素に接近する、請求項１～４のいずれか一項に記載の乳母車。 When the main link element is deformed from the use state to the folded state, the main link element is tilted forward so that a portion of the main link element extending from the relative rotation center with the front wheel support element in the use state falls down to the front side. The portion of the main link element that is rotated with respect to the front wheel support element and extends from the center of relative rotation with the front wheel support element in the use state approaches the front wheel support element. The baby carriage according to any one of 1 to 4.
  6. 　前記使用状態から前記折り畳み状態へ変形する際、前記前輪および前記後輪が互いに接近するように、前記前輪支持要素および前記後輪支持要素が相対回動する、請求項１～５のいずれか一項に記載の乳母車。 The front wheel support element and the rear wheel support element rotate relative to each other so that the front wheel and the rear wheel approach each other when deformed from the use state to the folded state. The baby carriage according to the item.
  7. 　前記主リンク要素は、前記前輪支持要素のうちの、前記前輪支持要素の前記前輪を支持する位置と、前記前輪支持要素および前記主リンク要素の相対回動中心と、の間に位置する部分と係合可能あり、
    　前記主リンク要素と前記前輪支持要素の前記部分とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制される、請求項１～６のいずれか一項に記載の乳母車。     The main link element is a portion of the front wheel support element that is positioned between a position of the front wheel support element that supports the front wheel and a center of relative rotation of the front wheel support element and the main link element. Can be engaged,
    The relative rotation between the main link element and the front wheel support element is restricted by the engagement of the main link element and the portion of the front wheel support element. The described baby carriage.
  8. 　前記前輪支持要素は、前記主リンク要素との相対回動中心と前記前輪を支持する位置との間を少なくとも延びる前脚部材と、前記前脚部材に設けられた接続部材と、を有し、
    　前記後輪支持要素は、前記接続部材に回動可能に取り付けられ、
    　前記主リンク要素は、前記接続部材に係合可能で可能あり、前記主リンク要素と前記前輪支持要素とが係合することによって、前記主リンク要素と前記前輪支持要素との相対回動が規制される、請求項１～７のいずれか一項に記載の乳母車。     The front wheel support element has a front leg member extending at least between a center of relative rotation with the main link element and a position for supporting the front wheel, and a connection member provided on the front leg member,
    The rear wheel support element is rotatably attached to the connection member,
    The main link element can be engaged with the connection member, and the relative rotation between the main link element and the front wheel support element is restricted by the engagement of the main link element and the front wheel support element. The baby carriage according to any one of claims 1 to 7, wherein
  9. 　乳母車に乗車する乳幼児の臀部に対面するようになる座部支持プレートが設けられ、
    　前記連結リンク要素は、座部支持プレートによって形成される、請求項１～８のいずれか一項に記載の乳母車。     A seat support plate is provided which comes to face the buttocks of the infant riding in the baby carriage,
    The baby carriage according to any one of claims 1 to 8, wherein the connection link element is formed by a seat support plate.
  10. 　前記座部支持プレートの両側方に前記主リンク要素がそれぞれ設けられ、
    　前記座部支持プレートの両側方に前記後輪支持要素がそれぞれ設けられ、
    　前記座部支持プレートの両側方に前記前輪支持要素がそれぞれ設けられ、
    　前記座部支持プレートの両側部が、それぞれ、前記連結リンク要素を構成し、対応する側の主リンク要素および対応する側の後輪支持要素と相対回動可能に接続され、
    　各前輪支持要素が、対応する側の主リンク要素および対応する側の後輪支持要素と相対回動可能に接続されている、請求項９に記載の乳母車。     The main link elements are provided on both sides of the seat support plate,
    The rear wheel support elements are respectively provided on both sides of the seat support plate;
    The front wheel support elements are respectively provided on both sides of the seat support plate;
    Both side portions of the seat support plate constitute the connecting link element, and are connected to the corresponding main link element and the corresponding rear wheel support element in a relatively rotatable manner.
    The baby carriage according to claim 9, wherein each front wheel support element is connected to a corresponding main link element and a corresponding rear wheel support element in a relatively pivotable manner.
  11. 　前記座部支持プレートの乳幼児に対面する側とは反対側の面に対面して保持体が配置され、
    　前記保持体と前記座部支持プレートの間に、前記乳母車の展開状態において少なくとも後方に開口した、収容スペースが形成される、請求項９または１０に記載の乳母車。     A holding body is arranged facing the surface opposite to the side facing the infant of the seat support plate,
    The baby carriage according to claim 9 or 10, wherein an accommodation space is formed between the holding body and the seat support plate and is opened at least rearward in the deployed state of the baby carriage.
  12. 　前記座部支持プレートの後方部分に取っ手が設けられている、請求項９～１１のいずれか一項に記載の乳母車。 The baby carriage according to any one of claims 9 to 11, wherein a handle is provided at a rear portion of the seat support plate.
  13. 　前記取っ手は、前記乳母車の折り畳み状態において前記座部支持プレートから上方に突出する、請求項１２に記載の乳母車。 The baby carriage according to claim 12, wherein the handle protrudes upward from the seat support plate in a folded state of the baby carriage.
  14. 　使用状態と折り畳み状態との間を変形可能な乳母車であって、
    　前輪を支持した前輪支持要素と、
    　後輪を支持し、前記前輪支持要素と相対回動可能な後輪支持要素と、
    　前記前輪支持要素および前記後輪支持要素に対して相対回動可能なハンドルと、を備え、
    　前記使用状態から前記折り畳み状態へ変形する際、前記ハンドルが前側に倒れるように前記前輪支持要素に対して回動して、前記ハンドルおよび前記前輪支持要素が互いに接近し、且つ、前記前輪および前記後輪が互いに接近するように前記前輪支持要素および前記後輪支持要素が相対回動する、乳母車。     A baby carriage that can be deformed between a use state and a folded state,
    A front wheel support element that supports the front wheel;
    A rear wheel support element that supports a rear wheel and is rotatable relative to the front wheel support element;
    A handle rotatable relative to the front wheel support element and the rear wheel support element,
    When deforming from the use state to the folded state, the handle rotates with respect to the front wheel support element so that the handle is tilted forward, the handle and the front wheel support element approach each other, and the front wheel and the A baby carriage in which the front wheel support element and the rear wheel support element rotate relative to each other so that rear wheels approach each other.
  15. 　座部と、前記座部と接続された背部と、を有したシートを、さらに備え、
    　前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
    　前記延出部に前記シートが支持されている、請求項１～８及び１４のいずれか一項に記載の乳母車。     A seat having a seat and a back connected to the seat, further comprising:
    The rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
    The baby carriage according to any one of claims 1 to 8 and 14, wherein the seat is supported by the extending portion.
  16. 　使用状態における側面視において、前記延出部の前記シートを支持する部分が前後方向に対してなす角度は、前記後輪支持要素のうちの前記後輪を支持する位置と前記前輪支持要素との相対回動中心との間に位置する部分が前後方向に対してなす角度よりも小さい、請求項１５に記載の乳母車。 In a side view in the use state, the angle formed by the portion of the extension portion that supports the seat with respect to the front-rear direction is determined by the position of the rear wheel support element that supports the rear wheel and the front wheel support element. The baby carriage according to claim 15, wherein a portion located between the center and the relative rotation center is smaller than an angle formed with respect to the front-rear direction.
  17. 　前記延出部は、使用状態における側面視において、前後方向に対してなす角度が前側で小さくなるように曲がっている、請求項１５または１６に記載の乳母車。 The baby carriage according to claim 15 or 16, wherein the extension portion is bent so that an angle formed with respect to the front-rear direction becomes smaller on the front side in a side view in a use state.
  18. 　座部と、前記座部と接続された背部と、前記座部および前記背部の側方に設けられた側壁部と、を有したシートを、さらに備え、
    　前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
    　前記シートの前記側壁部は、前記延出部と、前記主リンク要素のうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられている、請求項１～８のいずれか一項に記載の乳母車。     A seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back;
    The rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
    The side wall portion of the seat is attached to the extending portion and a portion of the main link element that extends in the use state from a center of relative rotation with the front wheel support element. Item 9. The baby carriage according to any one of Items 1 to 8.
  19. 　座部と、前記座部と接続された背部と、前記座部および前記背部の側方に設けられた側壁部と、を有したシートを、さらに備え、
    　前記後輪支持要素は、前記前輪支持要素との相対回動中心を越えて、前記後輪を支持している側とは反対側に延び出した延出部を有し、
    　前記シートの前記側壁部は、前記延出部と、前記ハンドルのうちの前記前輪支持要素との相対回動中心から前記使用状態において延び上がっている部分と、に取り付けられている、請求項１４に記載の乳母車。     A seat having a seat, a back connected to the seat, and a side wall provided on the side of the seat and the back;
    The rear wheel support element has an extending part that extends beyond the center of relative rotation with the front wheel support element and extends to the side opposite to the side supporting the rear wheel,
    The side wall portion of the seat is attached to the extension portion and a portion of the handle that extends in a state of use from a center of relative rotation with the front wheel support element. Baby carriage as described in
  20. 　前記折り畳み状態の側面視において、前記前輪および前記後輪が接地面に接地した状態で、前記前輪支持要素および前記後輪支持要素の相対回動中心は、前記接地面に沿った方向において前記前輪の接地位置と前記後輪の接地位置との間に位置する、請求項１～１４のいずれか一項に記載の乳母車。 In a side view of the folded state, the front wheel and the rear wheel are in contact with the grounding surface, and the front wheel support element and the rear wheel support element have relative rotation centers in the direction along the grounding surface. The baby carriage according to any one of claims 1 to 14, which is located between a ground contact position of the rear wheel and a ground contact position of the rear wheel.
  21. 　前記折り畳み状態において、前記乳母車が自立可能である、請求項１～２０のいずれか一項に記載の乳母車。 The baby carriage according to any one of claims 1 to 20, wherein the baby carriage can stand by itself in the folded state.
PCT/JP2013/060356 2012-10-15 2013-04-04 Stroller WO2014061296A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014541961A JP6144270B2 (en) 2012-10-15 2013-04-04 baby carriage
KR1020157007958A KR102069105B1 (en) 2012-10-15 2013-04-04 Stroller
CN201380053963.1A CN104718122B (en) 2012-10-15 2013-04-04 Perambulator
TW103112526A TWI642578B (en) 2013-04-04 2014-04-03 Baby carriage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012227875 2012-10-15
JP2012-227875 2012-10-15

Publications (1)

Publication Number Publication Date
WO2014061296A1 true WO2014061296A1 (en) 2014-04-24

Family

ID=50487874

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/060356 WO2014061296A1 (en) 2012-10-15 2013-04-04 Stroller

Country Status (4)

Country Link
JP (1) JP6144270B2 (en)
KR (1) KR102069105B1 (en)
CN (1) CN104718122B (en)
WO (1) WO2014061296A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085849A (en) * 2011-11-07 2013-05-08 康贝株式会社 Stroller
WO2016012848A1 (en) * 2014-07-23 2016-01-28 Endepro Gmbh Pushchair
JP2016533967A (en) * 2013-09-13 2016-11-04 ベイビーゼン Foldable baby stroller suitable for carrying newborns
CN112009548A (en) * 2019-05-31 2020-12-01 康贝株式会社 Baby carriage

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0325374U (en) * 1989-07-22 1991-03-15
JPH0469282U (en) * 1990-10-23 1992-06-18
JPH0733769U (en) * 1993-12-08 1995-06-23 株式会社マンテン Handrail mounting device for baby carriage
JPH0733770U (en) * 1993-12-08 1995-06-23 株式会社マンテン baby carriage
JPH0858600A (en) * 1994-08-26 1996-03-05 Tokai Rika Co Ltd Children occupant seat supporting structure
JP2572278B2 (en) * 1989-07-14 1997-01-16 株式会社マンテン baby carriage
JPH09193810A (en) * 1996-01-19 1997-07-29 Manten:Kk Baby carriage
JP2002019617A (en) * 2000-07-07 2002-01-23 Manten Co Ltd Baby carriage with sunshade

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421774A (en) * 1966-12-05 1969-01-14 Herschal F Garhan Baby strollers
JP3602867B2 (en) * 1994-06-22 2004-12-15 株式会社サッポロ巻本舗 Sauce manufacturing method
JP4362667B2 (en) * 1999-10-15 2009-11-11 ナカバヤシ株式会社 Manual propulsion vehicle
CN2428383Y (en) * 2000-01-03 2001-05-02 好孩子集团公司 Bassinet
CN200945872Y (en) * 2006-09-21 2007-09-12 好孩子儿童用品有限公司 Baby go-cart
ES1065105Y (en) 2007-03-21 2007-09-16 Jane Sa FOLDING CAR-CHAIR FOR CHILDREN
US8240698B2 (en) * 2009-09-16 2012-08-14 Bumbleride Inc. Collapsible structure for baby stroller

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2572278B2 (en) * 1989-07-14 1997-01-16 株式会社マンテン baby carriage
JPH0325374U (en) * 1989-07-22 1991-03-15
JPH0469282U (en) * 1990-10-23 1992-06-18
JPH0733769U (en) * 1993-12-08 1995-06-23 株式会社マンテン Handrail mounting device for baby carriage
JPH0733770U (en) * 1993-12-08 1995-06-23 株式会社マンテン baby carriage
JPH0858600A (en) * 1994-08-26 1996-03-05 Tokai Rika Co Ltd Children occupant seat supporting structure
JPH09193810A (en) * 1996-01-19 1997-07-29 Manten:Kk Baby carriage
JP2002019617A (en) * 2000-07-07 2002-01-23 Manten Co Ltd Baby carriage with sunshade

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085849A (en) * 2011-11-07 2013-05-08 康贝株式会社 Stroller
JP2016533967A (en) * 2013-09-13 2016-11-04 ベイビーゼン Foldable baby stroller suitable for carrying newborns
WO2016012848A1 (en) * 2014-07-23 2016-01-28 Endepro Gmbh Pushchair
CN112009548A (en) * 2019-05-31 2020-12-01 康贝株式会社 Baby carriage
JP2020196322A (en) * 2019-05-31 2020-12-10 コンビ株式会社 Baby buggy

Also Published As

Publication number Publication date
CN104718122A (en) 2015-06-17
JP6144270B2 (en) 2017-06-07
JPWO2014061296A1 (en) 2016-09-05
KR20150070118A (en) 2015-06-24
CN104718122B (en) 2018-05-29
KR102069105B1 (en) 2020-01-22

Similar Documents

Publication Publication Date Title
JP5449752B2 (en) stroller
JP6214943B2 (en) baby carriage
JP4757594B2 (en) stroller
JP6599158B2 (en) Foldable baby carriage
JP4855035B2 (en) stroller
JP6144270B2 (en) baby carriage
EP2857279B1 (en) Stroller and seat unit
WO2018051807A1 (en) Stroller
JP4299016B2 (en) Folding baby carriage
US20090008909A1 (en) Baby carriage and seat hammock
JP5953123B2 (en) Push-bar sliding baby carriage
JP2020082817A (en) Cover, cover with storage bag for baby buggy, and baby buggy
TWI677448B (en) Baby carriage connecting device
TWI642578B (en) Baby carriage
JP6923929B2 (en) baby carriage
CN107697141B (en) Hand cart
JP2011063097A (en) Folding type baby carriage
JP5052372B2 (en) Wheelchair with transfer assistance function
WO2024013941A1 (en) Baby carriage
JP2020019363A (en) baby carriage
JP2023096310A (en) Handcart
JP2020019368A (en) Push cart
JP6923930B2 (en) baby carriage
JP2020019359A (en) baby carriage
JP2020019366A (en) Baby carriage and seat

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13846783

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2014541961

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20157007958

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13846783

Country of ref document: EP

Kind code of ref document: A1